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BCT Test 3
BCT Test 3
2014
Histology
Professional
12/02/2012

Additional Histology Flashcards

 


 

Cards

Term
cartilage functions to reduce ______.
Definition
friction (joint surfaces)
Term
Cartilage provides a template for ______.
Definition
Bone Formation
Term
Cartilage provides an attachment for _____ to ______.
Definition
Tendon to Bone
Term
Three types of cartilage: ______
Definition
Hyaline cartilage
Elastic cartilage
Fibrocartilage
Term
Hyaline Cartilage cushions _____ surfaces.
Definition
articular
Term
Hyaline Cartilage provides structure for the _____ system.
Definition
respiratory
Term
Hyaline Cartilage forms a template from which _______.
Definition
long bones develop
Term
Hyaline Cartilage Cells produce a _____ that has no apparent structure with the LM. The cells are widely separated from one another by this ______.
Definition
matrix

extracellular matrix
Term
Hyaline Cartilage cells occupy spaces in the ECM called ______.
Definition
lacuna
Term
Hyaline Cartilage Cells _____ with fixation while the matrix ____.
Definition
shrink

does not
Term
Hyaline Cartilage can be covered by a ____ except at joint surfaces (similar to ______).
Definition
perichondrium

connective tissue
Term
Cells of Hyaline Cartilage: __________
Definition
Chondrogenic cells
Chondroblast
Chondrocytes
Term
Chondrogenic cells give rise to _______, and are _______-shaped
Definition
chondroblasts

spindle
Term
______ makes most of the matrix
Definition
Chondroblast
Term
Chondroblast shape?
Definition
cuboidal to round
Term
Chondrocytes are derived from ______.
Definition
chondroblasts
Term
Chondrocytes function?
Definition
maintain matrix but less active than the chondroblasts.
Term
Chondrogenic cells are located in _______.
Definition
perichondrium
Term
Chondrogenic cells look like _____.
Definition
fibroblasts
Term
Chondrogenic cells are derived from _____.
Definition
mesenchyme
Term
Chondrogenic cells become _______.
Definition
chondroblasts
Term
Chondrocyte are derived from _____.
Definition
chondroblasts
Term
Chondrocyte does what when young?
Definition
makes matrix when young
Term
Chondrocyte lives in _____ often as a ____ of cells since it can divide.
Definition
lacunae

clone
Term
Extracellular Matrix is composed of mostly ______ & a few _____ fibers
Definition
type II collagen

elastic fibers
Term
Extracellular Matrix has a high ___ content
Definition
water
Term
Extracellular Matrix contains abundant ______ molecules, which are ______ noncovalently associated with hyaluronic acid.
Definition
aggrecan

proteoglycans
Term
Extracellular Matrix containts chondronectin, which is a glycoprotein attaching _____ to ______.
to collagen
Definition
chondrocytes to collagen
Term
Extracellular Matrix have no ______.
Definition
blood supply
Term
Extracellular Matrix have no blood supply, nutrients instead diffuse in from the ______.
Definition
perichondrium
Term
Chondrocytes metabolize glucose ______.
Definition
anaerobically
Term
GAGs are ____ charged and attract ___ which
attracts _____.
Definition
negatively

Na+

water
Term
GAGs aka _____.
Definition
glycosaminoglycans
Term
Chondronectin function?
Definition
Connects collagen and chondrocyte
Term
Classification of cartilage matrix can be based on _____.
Definition
staining
Term
territorial matrix stains ______.
Definition
dark blue
Term
territorial matrix is found where?
Definition
adjacent to chondrocyte
Term
territorial matrix is rich in ______.
Definition
chondroitin sulfate
Term
interterritorial matrix stains _______.
Definition
light-blue
Term
interterritorial matrix represents the ___ of the matrix
Definition
bulk
Term
Elastic Cartilage Found in: __________
Definition
auricle of the ear, walls of the auditory
canals, epiglottis, and larynx
Term
Elastic Cartilage is more ____ than
hyaline cartilage but provides some rigidity.
Definition
flexible
Term
Elastic Cartilage cells produce matrix that contains many ______ in addition to _______.
Definition
elastic fibers

Type II collagen
Term
Elastic Cartilage appears ______ in its fresh state
Definition
yellowish
Term
Elastic Cartilage like hyaline cartilage has a _____.
Definition
perichondrium
Term
Fibrocartilage of the _____ makes them highly resistant to forces generated by impinging _____.
Definition
intervertebral discs

vertebra
Term
______ fibers within fibrocartilage are
primarily responsible for this strength.
Definition
Collagen
Term
Fibrocartilage connects ____ to ____ & _____.
Definition
tendons to hyaline cartilage and bone
Term
Fibrocartilage joins _______.
Definition
pubic symphysis
Term
Fibrocartilage has no apparent _______.
Definition
perichondrium
Term
Fibrocartilage forms ____ of knee.
Definition
menisci
Term
Fibrocartilage contains Type __ collagen fibers.
Definition
I
Term
Fibrocartilage is an intermediate between ____ & ______.
Definition
dense connective tissue and hyaline cartilage.
Term
In the formation of cartilage in embryonic and fetal development, first ______ cells round up and divide.
Definition
mesenchymal cells
Term
mesenchymal cells (embryonic ______)
Definition
embryonic fibroblasts
Term
In the formation of cartilage in embryonic and fetal development, secondly _____ differentiate from the mesenchyme
Definition
chondroblasts
Term
In the formation of cartilage in embryonic and fetal development, thirdly the chondroblasts that differentiated from the mesenchyme will then _______
Definition
secrete the ECM
Term
In the formation of cartilage in Growth of a "piece" of cartilage, interstitial growth occurs through the division of ________ from _______.
Definition
chondroblasts and chondrocytes

within the cartilage
Term
In the formation of cartilage in Growth of a "piece" of cartilage, appositional growth occurs through division of _____ in the _____ and their differentiation into _____ that divide and produce cartilage beneath the _____.
Definition
chondrogenic cells

perichondrium

chondroblasts

periosteum
Term
_____ growth of cartilage is from within.
Definition
interstitial
Term
_____ growth of cartilage is from the surface, laying down cartilage at the surface
Definition
appositional
Term
Regulation of cartilage cells is through ____ regulation
Definition
Hormonal
Term
Hormonal Stimulators of cartilage cells: _______
Definition
IGF-1, thyroid hormone, and testosterone
Term
Hormonal Inhibitors of cartilage cells: _______
Definition
cortisone/cortisol and estradiol
Term
In the Degeneration of cartilage, cartilage Is replaced by _____ with heavy use/older patients
Definition
bone
Term
In the Degeneration of cartilage, _____ and abnormal _____ organization occurs in old age
Definition
Calcification

collagen
Term
In the Degeneration of cartilage, Insufficient vitamin __ causes decreased ____ formation and disorganized _____ in a disease called scurvy)
Definition
C

matrix

epiphyseal plates
Term
In the Degeneration of cartilage, Insufficient vitamin D causes reduced absorption of _______ and thereby the cartilage matrix of epiphyseal plate does not _____ properly in a disease called _______.
Definition
calcium and phosphorus

mineralize

rickets
Term
The Regeneration of cartilage is limited except when _____ where it can
occur in the ______.
Definition
very young

perichondrium
Term
In the Regeneration of cartilage,_____ is a surgical technique where small holes
are created on the ___ surface of a joint where the cartilage has been lost. This causes ____ and then _____ formation on the surface of worn joint surfaces.
Definition
Micro fracture

bone

bleeding

fibrocartilage
Term
____ of cartilage from other sites can also be used to regenerate cartilage.
Definition
Grafts
Term
Extracellular Matrix is mostly type ___ collagen
Definition
II
Term
Bone functions: _____
Definition
1. Provides physical support
2. Storage of calcium and phosphate
Term
Striated Muscle – distinguished by ____-striations
Definition
cross
Term
Visceral Striated Muscle is Morphologically identical to _______.
Definition
skeletal muscle
Term
Visceral Striated Muscle is associated with ____ tissues
Definition
Soft
Term
Types of Striated Muscle: ______
Definition
Skeletal
Visceral Striated Muscle
Cardiac Muscle
Term
Does Smooth Muscle posses cross-striations?
Definition
No
Term
Smooth Muscle is found in _____, _____, and also in the _____ of skin.
Definition
Viscera, vasculature, and also in the arrector pili of skin
Term
Muscle cell = muscle _____.
Definition
fiber
Term
The Skeletal Muscle Cell nucleus charachteristic?
Definition
Multinucleate syncytium
Term
syncytium WIKI
Definition
A syncytium is a multinucleate cell which can result from multiple cell fusions of uninuclear cells (i.e. cells with a single nucleus)
Term
Multinucleate syncytium is ______
Definition
a cell containing more than one nucleus
Term
Skeletal Muscle Cell has ____ located nuclei.
Definition
Peripheral nuclei
Term
Skeletal Muscle Cell Cytoplasm is called the ______.
Definition
sarcoplasm
Term
Skeletal Muscle Cell Plasma membrane is called the ______.
Definition
sarcolemma
Term
Skeletal Muscle Cell Dimensions: _____
Definition
Large

–diameter ~ 10-100 μm
–length ~ 2 mm – 1 m
Term
In Skeletal Muscle, Muscle fibers are arranged in bundles called _____, surrounded by _______.
Definition
fascicles

connective tissue
Term
Muscle cell = ______
Definition
muscle fiber
Term
Endomysium is the connective tissue surrounding ______.
Definition
individual muscle fibers
Term
_____ connective tissue surrounding individual fascicles.
Definition
Perimysium
Term
Endomysium with respect to vasculature and innervation?
Definition
Small blood vessels and fine neuronal processes.
Term
Perimysium with respect to vasculature and innervation?
Definition
Larger blood vessels and nerves than those contained within the Endomysium
Term
______ is dense connective tissue that surrounds the muscle.
Definition
Epimysium
Term
Epimysium with respect to vasculature and innervation?
Definition
Major blood vessels and nerves
Term
Type 1 of Skeletal Muscle Fibers = _______
Definition
red fibers = slow twitch
Term
Largest type of Skeletal Muscle Fibers?
Definition
Type IIb
Term
Smallest type of Skeletal Muscle Fibers?
Definition
Type I
Term
Type 1 of Skeletal Muscle Fibers use _____ metabolism.
Definition
slow oxidation
Term
Type 1 of Skeletal Muscle Fibers contain: _____
Definition
lots of myoglobin and mitochondria
Term
Type 1 of Skeletal Muscle Fibers generate _____
Definition
low tension
Term
Type 1 of Skeletal Muscle Fibers are Resistant to ______
Definition
fatigue
Term
Type 1 of Skeletal Muscle Fibers are Predominantly found where?
Definition
In limbs
Term
Type IIa of Skeletal Muscle Fibers = ______
Definition
intermediate fibers
Term
Type IIa of Skeletal Muscle Fibers are ____ sized.
Definition
Medium
Term
Type IIa of Skeletal Muscle Fibers use _____ metabolism.
Definition
oxidation and glycolysis
Term
Type IIa of Skeletal Muscle Fibers contain: _______
Definition
lots of myoglobin, mitochondria and glycogen
Term
Type IIa of Skeletal Muscle Fibers are ____ to fatigue.
Definition
Resistant
Term
Type IIa of Skeletal Muscle Fibers generate _____ contractions.
Definition
Fast
Term
Type IIb of Skeletal Muscle Fibers = ______
Definition
white fibers = fast twitch
Term
Type IIb of Skeletal Muscle Fibers have ____ sized fibers.
Definition
Large
Term
Type ___ Skeletal Muscle Fibers Stain strongly with NADH-tertrazolium
Definition
I
Term
Type I Skeletal Muscle Fibers stain strongly with NADH-tertrazolium, showing high levels of ______ activity.
Definition
oxidative
Term
Type ___ skeletal Muscle Fibers stain weakly with NADH-tertrazolium
Definition
IIb
Term
Type IIb skeletal Muscle Fibers stain weakly with NADH-tertrazolium, showing low levels of ___ activity.
Definition
oxidative
Term
_____ is the primary structural unit of a Muscle Fiber.
Definition
Myofibril
Term
Myofibril is Composed of _____.
Definition
myofilaments
Term
Myofibril exhibits ______ in longitudinal sections
Definition
cross striations
Term
____ = functional unit of a Myofibril.
Definition
Sarcomere
Term
2 Cellular Structures of Muscle Fiber: ____
Definition
Myofibril & Sarcoplasmic Reticulum
Term
Sarcoplasmic reticulum is ________ of the Muscle Fiber.
Definition
Elaborate smooth endoplasmic reticulum
Term
Sarcoplasmic reticulum is a specialized _____ for skeletal muscle.
Definition
SER
Term
What is located at the center of the I band?
Definition
Z line.
Term
Does the M line change in size?
Definition
No
Term
Does the H band change in size?
Definition
Yes
Term
Thin Filament is composed of?
Definition
Actin
Term
Thick filament is composed of?
Definition
Muscle Myosin II
Term
Type ___ Skeletal Muscle Fibers Stain strongly with NADH-tertrazolium
Definition
I
Term
Type ___ Skeletal Muscle Fibers Stain weakly with NADH-tertrazolium
Definition
Type IIb
Term
Type I Skeletal Muscle Fibers Stain strongly with NADH-tertrazolium, showing high levels of ____ activity.
Definition
oxidative
Term
Type ____ Skeletal Muscle Fibers Stain strongly with NADH-tertrazolium, showing low levels of ____ activity.
Definition
IIb
Term
The primary structural unit of a Muscle Fiber?
Definition
Myofibril
Term
Sarcoplasmic reticulum is an _____ of a Muscle Fiber.
Definition
Elaborate smooth endoplasmic reticulum
Term
Two Cellular Structures of a Muscle Fiber: _______
Definition
Myofibril & Sarcoplasmic reticulum
Term
____ are on the sides of the Z line.
Definition
I-Bands
Term
_____ are on the sides of the M Line.
Definition
H-Bands
Term
The A-Band contains ______
Definition
H-Band & M-Line
Term
Thick Filament is composed of ______
Definition
Muscle Myosin II
Term
Thing Filament is composed of _____
Definition
Actin
Term
Thick filament contains what bands?
Definition
A & H
Term
Thin filament contains what bands?
Definition
I & H
Term
A band contains?
Definition
H band and M line
Term
H band is composed of?
Definition
Only Myosin
Term
I band is composed of?
Definition
Only Actin
Term
A band is composed of _____ when shortened?
Definition
Myosin and Actin
Term
A band is composed of ______ when stretched?
Definition
Only Thick filament, myosin
Term
Does H band change in size?
Definition
Yes
Term
Does the A band change in size?
Definition
No
Term
Does the I band change in size?
Definition
Yes
Term
What lies on both sides of the z line?
Definition
I bands
Term
What lies on both sides of the m line?
Definition
H bands
Term
Three main protein components of the Thin Filaments: ________
Definition
Actin, Tropomyosin, Troponin
Term
Tropomyosin function?
Definition
Masks the myosin binding site for Thin Filaments
Term
Troponin function?
Definition
Regulates tropomyosin for Thin Filaments
Term
Troponin is a complex of ______ proteins.
Definition
Three: TnC TnT TnI
Term
TnC of Troponin function?
Definition
Binds Ca++
Term
TnT of Troponin function?
Definition
anchors troponin to tropomyosin
Term
TnI of Troponin function?
Definition
binds actin, inhibits interaction between actin and myosin
Term
Titin is an elastic protein that anchors _______ & ______ and stabilizes them relative to ________.
Definition
thick filaments to Z-line

thin filaments
Term
α-actinin and nebulin are proteins that anchor ______ to ______.
Definition
thin filaments to Z-line
Term
Tropomodulin is an ____ capping protein that regulates ______ length
Definition
actin

thin filament
Term
Myomesin and C protein bind ______, holding it in register at the ______.
Definition
myosin

M-line
Term
Desmin- intermediate filament attaching sarcomeres to each other at the Z-line and to the plasma membrane
Definition
Yup, shitty definition
Term
Dystrophin – probably links actin to laminin in the external lamina of the muscle cell
Definition
Yup, associated with MD
Term
Sarcoplasmic Reticulum is _____
Definition
an elaborate smooth endoplasmic reticulum
Term
Sarcoplasmic Reticulum for skeletal muscle is a repeating network from one _______ junction to another.
Definition
A-band/I-band
Term
There is ____ Sarcoplasmic Reticulum per sarcomere in skeletal muscle, they are found where?
Definition
2

1 for the A band and 1 for the I band
Term
In the Sarcoplasmic Reticulum of skeletal muscle there are ______ at the ends of network that are Ca++ reservoirs.
Definition
Terminal cisternae
Term
In the Sarcoplasmic Reticulum of skeletal muscle there are T tubules: part of the transverse tubular system (T system), which are _______ that allow for ______.
Definition
invaginations of plasma membrane

regulation of Ca++
Term
_____ is characteristic of the Sarcoplasmic Reticulum of skeletal muscle.
Definition
a Triad
Term
Neuromuscular Junction Regulates ______.
Definition
contraction
Term
Neuromuscular Junction is a contact between _______ with ______.
Definition
axonal terminal branches with muscle fiber
Term
In a Neuromuscular Junction the Axon terminus is covered by ______.
Definition
Schwann cell
Term
Neuromuscular Junction composes a _____, which is a neuron plus its innervated muscle fibers
Definition
Motor unit
Term
The Neurotransmitter used at a Neuromuscular Junction is _______.
Definition
acetylcholine
Term
Muscle Spindle are specialized _______ fibers.
Definition
skeletal muscle
Term
Muscle Spindles, a specialized type of skeletal fibers serve as a _______
Definition
Stretch receptor
Term
Muscle Spindles, a specialized type of skeletal fibers serve as a Stretch receptor, by using _____, which sense stretching, providing _____ information to ____.
Definition
Proprioreceptors

spatial

CNS
Term
Muscle Spindles are _____.
Definition
Encapsulated
Term
Spindle cells posses: ______
Definition
–Nuclear bag fiber
–Nuclear chain fiber
Term
With Skeletal Muscle Growth, Hypertrophy occurs only when?
Definition
after age 1
Term
With Skeletal Muscle Growth, there is an increase in ____ of the muscle fiber.
Definition
volume
Term
With Skeletal Muscle Growth, there is an increase in size of the ______.
Definition
myofibrils
Term
With Skeletal Muscle Growth, there is an increase in the number of _____.
Definition
myofibrils
Term
With Skeletal Muscle Growth, the increase in length comes from ______.
Definition
addition of sarcomeres
Term
What type of muscle posses Intercalated Discs?
Definition
Cardiac
Term
Cardiac Muscle has _____ fibers.
Definition
Branched
Term
Intercalated Discs of Cardiac Muscle, are ___ fibers, which serve as specialized ______
Definition
cross

Specialized attachment sites between adjacent cells
Term
Intercalated Discs are arranged ______.
Definition
end-to-end
Term
Is cardiac muscle striated?
Definition
Yes
Term
Intercalated Discs of Cardiac Muscle serve as _______ junctions.
Definition
Fascia adherens
Term
Cardiac Muscle nucleus structure?
Definition
Single Central Nucleus.
Term
Skeletal Muscle nucleus Structure?
Definition
Multinucleate syncytium: a cell containing more than one nucleus
Peripheral nuclei
Term
A Cardiac Muscle Fiber's Sarcoplasmic reticulum possess small ______.
Definition
terminal cisternae
Term
A Cardiac Muscle Fiber's Sarcoplasmic reticulum has T tubules at _____, _ per sarcomere.
Definition
Z-line

1
Term
A Cardiac Muscle Fiber's Sarcoplasmic reticulum triad or diad?
Definition
Diad
Term
Purkinje Fibers are specialized _____.
Definition
cardiac myocytes
Term
Purkinje Fibers are ____ than cardiac myofibers
Definition
Larger
Term
Purkinje Fibers nucleus structure?
Definition
Binucleate

Cardiac is Single Central Nucleus.
Term
Purkinje Fibers consists of a few, disorganized ______.
Definition
myofibrils
Term
Purkinje Fibers ____ regulate and coordinate ______.
Definition
Locally

heartbeat
Term
Purkinje Fibers Generate _____ impulse
Definition
contractile
Term
Purkinje Fibers Rapidly conduct _____ impulse
Definition
electrical
Term
Is Smooth Muscle striated?
Definition
No
Term
Smooth Muscle is found in: ______.
Definition
viscera, organs, blood vessels
Term
Smooth Muscle are arranged into ______.
Definition
bundles or sheets
Term
Smooth Muscle cells = _____
Definition
Fibers
Term
Smooth Muscle shape?
Definition
elongated, fusiform with tapered ends
Term
Fusiform WIKI
Definition
having a spindle-like shape that is wide in the middle and tapers at both ends.
Term
What is larger, skeletal or smooth?
Definition
Smooth
Term
Smooth Muscle nucleus structure?
Definition
Single, central nucleus with corkscrew or elongated and tapered morphology
Term
Smooth Muscle T system?
Definition
Does not possess one
Term
Cardiac Muscle T system?
Definition
Diad
Term
Skeletal Muscle T system?
Definition
Triad
Term
In Smooth Muscle, there is no T system, so how is calcium delivered?
Definition
Membrane invagination called caveolae perform Ca++ delivery
Term
Smooth Muscle have a Gap junction (____) for communication and coordination
Definition
Gap junction (nexus) communication and coordination
Term
Smooth Muscle contractions are _____ paced & _______ in length.
Definition
slow and prolonged
Term
Smooth Muscle contraction has a _____ energy expenditure.
Definition
Low
Term
Smooth Muscle has _____-like contractions.
Definition
Wave-like
Term
Are there sarcomeres in smooth muscle?
Definition
No
Term
The Cytoskeleton in Smooth Muscle is composed of _____ filaments.
Definition
Thick and Thin Filaments
Term
The Thin Filaments of smooth muscle are composed of _____.
Definition
Actin
Term
On the actin of the thin filaments of smooth muscle, _________ block myosin binding.
Definition
tropomyosin, caldesmon, calponin
Term
tropomyosin function in thin filaments of skeletal muscle?
Definition
Masks the myosin binding site
Term
The Thick Filaments of Smooth Muscle are composed of _______ rather than _____ as in the sarcomeres of skeletal muscle.
Definition
Side-polar myosin II filaments rather than bipolar myosin fialments
Term
Smooth Muscle posses _____ which Anchor thin filaments, analogous to the Z-line.
Definition
Dense Bodies
Term
The Dense Bodies of smooth muscle Anchor thin filaments and connect to ______.
Definition
intermediate filaments
Term
Dense Bodies of the smooth muscle are analogous to the _____ of skeletal muscle.
Definition
Desmin
Term
Myosin Light Chain Kinase (MLCK, a Cytoskeleton protein of smooth muscle, does what?
Definition
initiates contraction by activating myosin II
Term
Calmodulin, a Cytoskeleton protein of smooth muscle, binds ____ & ____ to regulate contraction.
Definition
Ca++ and MLCK (Myosin Light Chain Kinase)
Term
Does smooth muscle possess a sarcoplasmic reticulum?
Definition
Yes
Term
Do smooth muscle possess Gap junctions?
Definition
Yes
Term
Gap Junction WIKI
Definition
A gap junction or nexus is a specialized intercellular connection between a multitude of animal cell-types.[1][2][3] It directly connects the cytoplasm of two cells, which allows various molecules and ions to pass freely between cells.[4][5]
Term
Skeletal Muscle is regenerated following an injury by?
Definition
Satellite Cells
Term
Satellite Cells are found between sarcolemma of _____ & _____>
Definition
muscle fibers and external lamina
Term
sarcolemma wiki
Definition
cell membrane of a muscle cell (skeletal, cardiac, and smooth muscle)
Term
Satellite Cells are _____ sized and hard to _____
Definition
small

see
Term
Satellite Cells are ____ precursor cells and are normally quiescent
Definition
Myogenic
Term
With regeneration of Cardiac Muscle, are there stem cells?
Definition
No stem cells or precursor cells
Term
What happens to dead cardiac muscle cells?
Definition
Dead cardiac cells are replaced with fibrous connective tissue
Term
With Smooth Muscle regeneration, Mature cells can ______.
Definition
proliferate
Term
Smooth muscle progenitor cells include: ______
Definition
undifferentiated mesenchymal cells, endothelial cells, vascular pericytes
Term
Nervous System (NS) is Organized into Two Divisions: _______.
Definition
CNS and PNS
Term
The Central Nervous System (CNS) is composed of: _______
Definition
a. Brain
b. Spinal Cord
Term
The Peripheral Nervous System (PNS) is composed of: _____
Definition
Nerves & Ganglia
Term
Nerve Tissue Contains Two Distinct Types of Cells, ____ & _____.
Definition
Neurons and Glia
Term
Neurons process and transmit information via _______ signals.
Definition
electrical and chemical
Term
Neurons are the ____ cells of the NS
Definition
signalling
Term
Glia are the _____ cells of the NS
Definition
support
Term
_____ neurons in humans do not divide
Definition
Mature
Term
Cell body of a neuron is aka _____
Definition
soma
Term
The cell body of a neuron ________ information.
Definition
Receives and integrates information.
Term
The cell body is the _____ center of the cell, especially for ____ synthesis.
Definition
metabolic

protein
Term
The cell body of a neuron has a _____ PM.
Definition
electrically excitable
Term
How many axons per neuron?
Definition
one
Term
The Axon is specialized to _____ information to target cells.
Definition
transmit/conduct
Term
Parts of the axon: ________
Definition
axolemma
axon hillock
initial segment
collaterals (branches)
terminals (synaptic terminals)
Term
Axons of some neurons are ______.
Definition
myelinated (NOT ALL)
Term
_____ is the triangluar shaped part of the axon where RER is present.
Definition
axon hillock
Term
Myelin sheaths are ______, wrapped tightly around the axon, multiple times.
Definition
glial cell membranes
Term
Myelin is predominantly _____, which gives a ____ appearance to fresh cut nerves
Definition
phospholipid

white
Term
White Matter myelinated or unmyelinated?
Definition
myelinated
Term
In the PNS, myelin is produced by _____.
Definition
Schwann cells.
Term
How many axons can a Schwann cell wrap?
Definition
one
Term
In the CNS, myelin is produced by ______.
Definition
oligodendrocytes
Term
How many axons can oligodendrocytes wrap?
Definition
Multiple
Term
The space that occurs between each length of myelin wrapping is called a ______.
Definition
“Node of Ranvier”
Term
The function of myelin is to ____ axons, thus providing faster conduction such that the action potential “jumps” from node to node, in a process called _____.
Definition
insulate

saltatory conduction
Term
Each glial cell can produce myelin for only ________ of an axon.
Definition
a portion of the length of the axon.
Term
In myelinated axons, the action potential “jumps” from _______, greatly increasing transmission speed.
Definition
one node to the next (“Node of Ranvier”)
Term
The axons of some neurons have no myelin sheaths, but can still associate with a _____.
Definition
Schwann cell.
Term
Unmyelinated nerves “sit” in an indented pocket of a ______, but there is no _______.
Definition
Schwann cell

wrapping of glial cell membranes
Term
_____ nerves are not easily observed with light microscopy, because _____
Definition
Unmyelinated

their diameter is close to the resolution limits of LM.
Term
heavily myelinated nerve fibers are ____ velocity fibers and some examples include: _____.
Definition
High Velocity

acute pain, temperature, touch, pressure, proprioception, somatic efferent fibers
Term
less heavily myelinated nerve fibers are ____ velocity fibers and some examples include: ______
Definition
Moderate-velocity fibers:

visceral afferents, preganglionic autonomics
Term
unmyelinated nerve fibers are ____ velocity fibers and some examples include: ______
Definition
Slow-velocity fibers

postganglionic autonomics, chronic pain
Term
The nucleus of a neuron is ____ sized and stains _____.
Definition
Nucleus-large, pale-staining
Term
The ______ of a neuron is prominent.
Definition
nucleolus
Term
______ of neurons are RER found in ______.
Definition
Nissl bodies-RER found in the cell body and dendrites
Term
The SER of the neuron's function?
Definition
Ca2+ storage
Term
The Cytoskeleton of a neuron is composed of: _______
Definition
Neurotubules = microtubules
Neurofilaments = Intermediate filaments
Microfilaments
Term
Lipofuscin is ______
Definition
indigestible material in lysosomes in the neurons
Term
Multipolar neuron has _____
Definition
Multiple dendrites
Term
Pseudounipolar is found mostly in the ___, especially within _____
Definition
PNS

dorsal root ganglion
Term
In Pseudounipolar neurons one ____ fuses with the axon to form a “___”-junction just to the side of the cell body.
Definition
dendrite

T
Term
Bipolar neurons are fewest in number, have ____ dendrite and ____ axon.
Definition
one

one
Term
Bipolar neurons are Located in the ____ & ______.
Definition
eye and the ear.
Term
_____ & packaging must occur in the cell body
Definition
protein synthesis and packaging
Term
Neurons build an extensive _____ network to transport all necessary material to the synapse (and back).
Definition
cytoskeletal
Term
______ serve as the “superhighway” for trafficking of materials, while _____ serve as “local” tracks for neurons.
Definition
Microtubules

microfilaments
Term
______ motors deliver materials distally (_____GRADE), while _____ motors deliver materials back to the cell body (_____GRADE) for Axonal Transport.
Definition
Kinesin

ANTERO

dynein

RETRO
Term
Kinesin transports towards the ____ end for axonal transport.
Definition
+

Synapse
Term
dynein transports towards the ____ end for axonal transport.
Definition
-

Cell body
Term
Synapses are Specialized sites for _______.
Definition
information transfer
Term
Neurotransmitters are released from ____ nerve terminals by _____ upon arrival of the ______.
Definition
presynaptic

exocytosis

action potential
Term
Transmitters interact with receptors on postsynaptic cells to alter _____ properties of target cells – to ____ or _____.
Definition
membrane

excite or inhibit
Term
Motor end plate (aka _______)
Definition
neuromuscular junction
Term
Synapses are particularly amenable to
______.
Definition
pharmacological intervention (drugs)
Term
Axosomatic Synapses, occur where?
Definition
Synapse at the cell body
Term
axodendritic Synapses, occur where?
Definition
along the dentrite
Term
Synapses as observed by either ____ or ____ techniques
Definition
SEM or TEM
Term
Synapses have a ____ shape in TEM.
Definition
button
Term
Glial Cells are the _____ Cells of the Nervous System
Definition
Supportive
Term
What are there more of, Glial Cells or Neurons?
Definition
Glial (5-10x more)
Term
Which is smaller, Glial Cells or Neurons?
Definition
Glial Cells, but they make up most of the bulk
Term
Do Glial Cells propagate action potentials?
Definition
No
Term
Glial Cells are involved in _____ formation
Definition
myelin sheath
Term
Glial Cells serve in ____ support.
Definition
Structural
Term
Glial Cells aid in _____ & _____.
Definition
Repair

Regneration
Term
Glial Cells perform many supportive functions, particularly in the _NS.
Definition
P
Term
Mature glia retain ability to _____.
Definition
divide
Term
most NS tumors are _____ in origin, such as malignant astrocytomas.
Definition
glial
Term
Glia in the PNS, _____ provide myelin sheaths around nerve fibers (axons).
Definition
Schwann cells
Term
One Schwann cell makes _____ of myelin around part of an axon, thus many Schwann cells and myelin segments will occur along a myelinated axon in the PNS.
Definition
one segment
Term
_____ play an important role in PNS regeneration after injury by providing ______ & ______ for regrowing axons.
Definition
Schwann cells

scaffolding and growth factors
Term
In dorsal root ganglia (DRG), _____ cells completely surround the DRG neuron cell body, preventing ____ from being made.
Definition
satellite (glial)

synapses
Term
DRG are found in the _NS.
Definition
PNS
Term
In autonomic ganglia, the glial cells ______.
Definition
surround the neuron cell body incompletely
Term
In autonomic ganglia, the glial cells surround the neuron cell body incompletely, this allows _________.
Definition
presynaptic autonomic nerves to synapse on post-synaptic autonomic neurons.
Term
Glia in the CNS: ________
Definition
Astrocytes
Oligodendrocytes
Ependyma
Microglia
Term
Astrocytes are glia in the CNS that are ___-shaped with many _____.
Definition
star

processes
Term
Astrocytes possess intermediate filaments composed of _______, which is used as a diagnostic marker for these cells.
Definition
glial fibrillary acidic protein (GFAP)
Term
Astrocytes are involved in the regulation of the ______ that exist between ____ cells, which forms the basis of the ______.
Definition
tight junctions

brain endothelial

blood-brain barrier
Term
Oligodendrocytes are glial cells with ____ processes, provide ____ in CNS.
Definition
few

myelin
Term
One Oligodendrocytes provides myelin segments to _____.
Definition
multiple axons
Term
Ependyma are CNS glial cells that line _____.
Definition
ventricles
Term
Specialized ependyma, which is an Glial cell in the CNS, (______) make ______.
Definition
choroid plexus

cerebrospinal fluid (CSF)
Term
Microglia are not true nervous system _____.
Definition
derivatives
Term
Microglia, a glial cell in the CNS, are resident _____ derived from hematopoietic system.
Definition
phagocytes
Term
Microglia, a glial cell in the CNS, Function in ______.
Definition
immune surveillance
Term
Peripheral nerves are bundles of _____.
Definition
Axons
Term
Peripheral nerve coverings: _______.
Definition
Epineurium, perineurium and endoneurium
Term
Peripheral nerves can contain processes that are _______.
Definition
sensory, motor, or both
Term
Peripheral nerves can contain _____ fibers.
Definition
both somatic and autonomic
Term
Peripheral nerves have a “_____” appearance.
Definition
"wavy"
Term
Ganglia are collections of _____ in the _____.
Definition
neuron cell bodies

PNS
Term
Two main types of Ganglia: _______.
Definition
Dorsal Root Ganglia (DRG)

Autonomic Ganglia
Term
Dorsal Root Ganglia (DRG) are _____ ganglia.
Definition
sensory
Term
Autonomic Ganglia are _____ ganglia.
Definition
visceromotor
Term
DRG contain ______ neurons that transmit sensory information from ______ structures to the _____.
Definition
pseudounipolar

somatic and visceral

CNS
Term
A _____ surrounds the entire DRG.
Definition
connective tissue capsule
Term
Large and small round, pseudounipolar neuron cell bodies lie interspersed with typical wavy sections of myelinated, ______ nerve fibers.
Definition
peripheral
Term
Smaller _____ (glial) cells completely surround neuron cell bodies of DRG, thus preventing ____ from forming.
Definition
satellite

synapses
Term
Autonomic ganglia (AG) contain ____ sized, _____polar neurons.
Definition
smaller

multipolar
Term
Functionally, Autonomic ganglia are ______ & ______, _____ganglionic visceromotor neurons that are found in ______ or in or near visceral organs.
Definition
sympathetic and parasympathetic

post

sympathetic chains
Term
A ______ surrounds autonomic ganglia.
Definition
thin connective tissue capsule
Term
Satellite (glial) for DRG cells incompletely surround _____, allowing synapses to be made.
Definition
neuron cell bodies
Term
Where do Pseudounipolar neurons have their cell bodies?
Definition
DRG
Term
Where do somatic efferent fibers have their cell body?
Definition
Ventral Horn
Term
Where do somatic afferent fibers have their cell body?
Definition
DRG
Term
Where do visceral afferent fibers have their cell body?
Definition
DRG
Term
Where do visceral preganglionic efferent fibers have their cell body?
Definition
Lateral Horn
Term
Where do visceral postganglionic efferent fibers have their cell body?
Definition
Prevertebral Ganglion (Autonomic Ganglion)
Term
Meissner’s corpuscles sense _____.
Definition
light touch
Term
Pacinian corpuscles sense _____.
Definition
deep pressure
Term
Sensory Receptors at end Organs receive, transduce and transmit information from external and internal sources to ____.
Definition
CNS
Term
Sensory Receptors of the End Organs (Peripheral Structures) are typically encased in cells that are either modified _____ or modified _____.
Definition
fibroblasts

Schwann cells
Term
Where are Meissner’s corpuscles located?
Definition
In connective tissue
Term
End Organs are Motor _____.
Definition
Effectors
Term
Effectors are ____ in function
Definition
motor
Term
Effectors are motor in function, which bring about activity in ____, ____, or _____ in the periphery through release of neurotransmitters at synapses.
Definition
muscle, gland or fat cells
Term
Motor end plates are ______ on _____.
Definition
neuromuscular junctions

skeletal muscle.
Term
Synapses on heart muscle, smooth muscle, gland cells or fat cells are not as morphologically specialized as ______.
Definition
motor end plates.
Term
Loss or Impairment of Neurons or Glia Leads to Significant Clinical Problems: __________
Definition
1. Stroke
2. Head and spinal cord trauma
3. Neurodegenerative diseases of aging such as Alzheimer’s and Parkinson’s
4. Developmental disorders such as spina bifida, anencephaly
5. Neurological tumors
6. Others such as Multiple sclerosis, epilepsy
7. Pain
Term
Where are Meissner’s corpuscles located?
Definition
In connective tissue
Term
End Organs are Motor _____.
Definition
Effectors
Term
Effectors are ____ in function
Definition
motor
Term
Effectors are motor in function, which bring about activity in ____, ____, or _____ in the periphery through release of neurotransmitters at synapses.
Definition
muscle, gland or fat cells
Term
Motor end plates are ______ on _____.
Definition
neuromuscular junctions

skeletal muscle.
Term
Synapses on heart muscle, smooth muscle, gland cells or fat cells are not as morphologically specialized as ______.
Definition
motor end plates.
Term
Loss or Impairment of Neurons or Glia Leads to Significant Clinical Problems: __________
Definition
1. Stroke
2. Head and spinal cord trauma
3. Neurodegenerative diseases of aging such as Alzheimer’s and Parkinson’s
4. Developmental disorders such as spina bifida, anencephaly
5. Neurological tumors
6. Others such as Multiple sclerosis, epilepsy
7. Pain
Term
Serum is the fluid ____.
Definition
left after clotting.
Term
Plasma is the fluid left after _______.
Definition
removing cells when clotting is inhibited.
Term
Hematocrit is the _____.
Definition
volume of blood occupied by cells
Term
Normal Hematocrit level?
Definition
(43% normal)
Term
White blood cells two types: _______.
Definition
Agranulocytes (lack granules)

Granulocytes (contain granules)
Term
Types of Agranulocytes (lack granules): _____.
Definition
lymphocytes
monocytes
Term
Types of Granulocytes (contain granules): ______.
Definition
neutrophils
eosinophils
basophils
Term
Platelets aka ________
Definition
thrombocytes
Term
RBCs are very dense cells containing _____ hemoglobin.
Definition
33%
Term
RBCs have no _____
Definition
nuclei or organelles
Term
Life span is about ____ days for RBCs.
Definition
120
Term
Old cells are removed by ____ in spleen, which are recognized by the presence of aging/denatured _____ of surface proteins.
Definition
macrophages

oligosaccharides
Term
obvious function of RBCs is for ______.
Definition
gas transport (O2 and CO2).
Term
RBCs have a _____ color.
Definition
Tan or straw color
Term
RBCs have a unique ____ shape
Definition
biconcave
Term
____ is a protein associated with transmembrane proteins that is involved in forming the RBC into a ______.
Definition
Spectrin

biconcave disc
Term
Mutations in spectrin can cause the RBCs to ________.
Definition
have an altered shape (eliptocytosis and spherocytosis)
Term
Individuals with mutations in spectrin are ______ and have _____.
Definition
anemic, jaundice

swollen spleens
Term
RBCs can bind together like life savers by way of serum proteins such as _____ that bind to _____ residues on glycoproteins of RBCs, binding them together.
Definition
fibrinogen

sialic acid
Term
RBCs bound together are called ____ formations.
Definition
"Rouleaux formations"
Term
RBCs stained with ____ stain on a blood smear appear tan.
Definition
Wright’s
Term
Who has higher Hematocrit levels, females or males?
Definition
Males
Term
How many RBCs are there?
Definition
approximately 5 x 106/mm3 with men higher than women
Term
______ = too many RBCs.
Definition
polycythemia
Term
______ = too few RBCs.
Definition
anemia
Term
RBC size?
Definition
7.8 μm diameter
Term
______ = normal sized RBCs.
Definition
normocytic
Term
______ = small sized RBCs.
Definition
microcytic
Term
______ = large sized RBCs.
Definition
macrocytic
Term
_______ = heterogeneous sized RBCs.
Definition
anisiocytic
Term
The tan color of stained RBCs are dependent upon?
Definition
hemoglobin levels
Term
normal hemoglobin levels?
Definition
15 gm/dL) with men being higher
Term
______ = Tan RBCs = normal hemoglobin levels.
Definition
normochromic
Term
______ = dark tan/brown RBCs = ______ hemoglobin levels.
Definition
hyperchromic

Elevated
Term
______ = light tan RBCs = ______ hemoglobin levels.
Definition
hypochromic

Depressed
Term
White blood cells aka ______.
Definition
leukocytes
Term
White blood cells (leukocytes)- ______/mm3 blood representing about __% of the volume of whole blood.
Definition
7,000

1
Term
Approximately half our leukocytes are _____ and the other half is _______.
Definition
circulating in blood

bound to the blood vessel wall (margination) and stored in the spleen.
Term
margination?
Definition
WBCs bound to blood vessel's wall
Term
two general types of leukocytes: ______.
Definition
Granulocytes

Agranulocytes
Term
Neutrophils aka __________.
Definition
Polymorphonuclear leukocytes (PMN)
Term
Neutrophils make up ____% of leukocytes.
Definition
60-70%
Term
Neutrophils are ____ in diameter.
Definition
12-15 μm in diameter
Term
Neutrophils nucleus structure?
Definition
Segmented nucleus
Term
The number of segments in the neutrophil's nucleus increase with?
Definition
Age
Term
Neutrophils have a _____ colored cytoplasm
Definition
lavender
Term
Neutrophils possess two types of granules: _____.
Definition
specific granules
lysosomes
Term
Neutrophils specific granules stain ____.
Definition
colorless aka do not stain
Term
Neutrophils lysosomes stain ______.
Definition
slightly
Term
Granules contain _____.
Definition
many enzymes
Term
Neutrophils life span in circulation?
Definition
6-8 hrs
Term
Neutrophils that Migrate into connective tissue can live _____.
Definition
2-4 days
Term
*Neutrophils function primarily to ______.
Definition
phagocytose bacteria
Term
*Neutrophils Increase in number when?
Definition
during an infection
Term
High numbers of immature neutrophils in blood is called a ______.
Definition
“shift to the left”
Term
Bacteria are initially phagocytosed in _____.
Definition
phagosomes
Term
Bacteria are initially phagocytosed in phagosomes that later fuse with both _____ & _____.
Definition
specific granules and lysosomes
Term
The granules and lysosomes release their contents into the phagosome, becoming a ______.
Definition
phagolysosome
Term
The neutrophil also pumps______ into the phagolysosome that also contributes to the killing of bacteria.
Definition
toxic reactive oxygen species (e.g. H2O2)
Term
Antibodies are produced by ______
Definition
plasma cells
Term
Antibodies that are produced by plasma cells in response to a bacterial infection bind to bacteria and serve as _____ for _____ on neutrophils.
Definition
ligands

receptors
Term
How can the neutrophil can recognize the bacteria as foreign?
Definition
By the antibody that binds to the bacteria serving as a ligand for receptors on neutrophils.
Term
Coating bacteria with antibodies that destine them for phagocytose by neutrophils is a process called?
Definition
opsonization
Term
Antibodies have two "ends": ______
Definition
Fab
Fc
Term
The Fab portion of the anitbody does what?
Definition
binds to the bacteria
Term
Fc portion of the anitbody does what?
Definition
Serves as a ligand for the Fc receptors on neutrophils.
Term
Azurophilic granules aka phagocytose bacteria, bacteria.
Definition
lysosome Granules
Term
In addition to the Fc Receptor with Antibodies to phagocytose bacteria, bacteria can also be phagocytosed by ______ for neutrophils.
Definition
Complement, a Complement binds to bacteria which then binds to a Complement receptor on the neutrophils
Term
In Tests for infection ______ increases above normal range.
Definition
White Blood Cell Count (WBC)
Term
In Tests for infection _______ increases.
Definition
White blood cell differential - % of neutrophils
Term
In Tests for infection a _______ can be taken for pathogenic organisms
Definition
Direct culture of blood
Term
______ on RBCs normally keep them from aggregating.
Definition
Net negative charges
Term
Proteins such as _____, increase in infections and other diseases causing an increased RBC aggregation.
Definition
fibrinogen
Term
RBC _____ can happen during infection.
Definition
aggregation
Term
Increased aggregation following an infection causes RBCs to settle to the bottom of the tube more quickly than normal aka a ________.
Definition
increased ESR (Erythrocyte Sedimentation Rate or Sed Rate or ESR)
Term
Macrophages produce ____ in response to a bacterial infection.
Definition
IL-6
Term
IL-6 produced by Macrophages following infection induces ___ synthesis by ______.
Definition
CRP

hepatocytes
Term
CRP does what?
Definition
binds to bacteria allowing them to be phagocytosed by neutrophils.
Term
Binding of CRP by a neutrophil to phagocytose bacteria causes the neutrophil to ________.
Definition
stop migrating.
Term
_____ of CRP change quickly with an infection.
Definition
Plasma levels
Term
Neutrophils have a _____ colored cytoplasm, with a _____ shaped nucleus.
Definition
lavender

polymorphic
Term
Eosinophils makes up ______% of leukocytes
Definition
2-4% of leukocytes
Term
Eosinophils _____ in diameter
Definition
12-15 μm
Term
Eosinophils have a Life span is _____ in circulation and _____ in connective
tissues.
Definition
3-4 days

8-12 days
Term
Eosinophils increase when?
Definition
in allergic reactions and parasitic infections
Term
Eosinophil Granules contain _____ and other proteins that kill parasites
Definition
major basic protein (MBP)
Term
Eosinophils are kept under Regulation by ____ & _____.
Definition
Corticosteroids
antibodies
Term
antibodies _____ Eosinophils by _______.
Definition
activate

binding to Fc receptors
Term
Corticosteroids effect on Eosinophils?
Definition
Decrease their numbers
Term
Eosinophils Phagocytose ______ complexes.
Definition
antigen/antibody
Term
Eosinophils _____ other leukocytes at sites of _____ & _____ by secreting ______.
Definition
Regulate

inflammation and immune reactions

cytokines
Term
Basophils make up _____% of leukocytes
Definition
less than 1%
Term
Basophils are ____ μm in diameter with a ______ shaped nucleus
Definition
12-15

round-indented
Term
Basophils are activated by ______ and then secrete _____ that influence other leukocytes.
Definition
antibody binding to Fc receptors

cytokines
Term
Basophils granules contain _____ & ______.
Definition
heparin and histamine (IgE causes release)
Term
Basophils granules are _____ colored and _____ the nucleus
Definition
blackish-blue

obscure
Term
What has larger Granules, Mast Cells or Basophils?
Definition
Basophils
Term
What are there more of, Mast Cells or Basophils?
Definition
Mast Cells
Term
Basophils increase in number when?
Definition
During hypersensitivity reactions
Term
Example of hypersensitivity reactions?
Definition
contact dermatitis
Term
Do Basophils give rise to Mast Cells?
Definition
No
Term
Basophils does what in hypersensitivity reactions?
Definition
enters connective tissues
Term
Lymphocytes make up ___% of leukocytes.
Definition
20-35% of leukocytes
Term
Lymphocytes have two major cell types: _____
Definition
B cells

T Cells
Term
B cells make up ____% of circulating lymphocytes
Definition
20
Term
T cells make up ____% of circulating lymphocytes.
Definition
80
Term
B cells differentiate following exposure to ____ to become _____ and produce _____.
Definition
antigen

plasma cells

antibodies
Term
T cells are involved in ______.
Definition
cell mediated immunity (killing tumor cells and virally infected cells).
Term
T Cells can assist the plasma cell in making ____ and can signal and interact with other ______.
Definition
antibodies

leukocytes
Term
Lymphocytes increase in number in the blood when?
Definition
with most types of leukemia.
Term
Lymphomas are _____.
Definition
solid tumors made of lymphocytes
Term
Monocytes are ____ μm in diameter.
Definition
12-20
Term
Monocytes nucleus structure?
Definition
Kidney Shaped
Term
Monocytes life span is _____ in circulation.
Definition
1-4 days in circulation
Term
Monocytes can enter connective tissue and differentiate into ______, and reside for varying periods of time.
Definition
macrophages
Term
Monocytes have Fc receptors for ______.
Definition
phagocytosis of bacteria and other antigens in the circulation.
Term
Monocytes make up _____% of leukocytes.
Definition
5-10%
Term
Platelets aka ______
Definition
thrombocytes
Term
Platelets are ____ in diameter.
Definition
2-4 μm
Term
Platelets (thrombocytes) nucleus structure?
Definition
No nucleus
Term
Platelets (thrombocytes) represent _____ of _____ that reside in the _____.
Definition
represent “pinched” off pieces of cytoplasm of megakaryocytes that reside in the bone marrow
Term
There are ____ Platelets (thrombocytes) per micro liter of blood.
Definition
150,000 - 450,000 platelets/μl in blood
Term
MPV (__________)
Definition
Mean Platelet Volume (MPV)
Term
Mean Platelet Volume (MPV) normal range?
Definition
between 6.2 - 8.9 fL
Term
What are larger newly formed or older platelets?
Definition
Newly formed
Term
Which is more active, newly formed or older platelets?
Definition
Newly formed
Term
Platelets (thrombocytes) life span is _____ in circulation.
Definition
7-10 days
Term
Platelets (thrombocytes) bind to damaged _____ in broken vessels and release releasing factors involved in vessel repair, ____ & _____.
Definition
endothelial cells

blood coagulation and platelet aggregation.
Term
factors secrete by Platelets: ______
Definition
Serotonin
ADP & thromboxane A2
Platelet thromboplastic factor
Platelet derived growth factor
Term
Serotonin released by platelets does what?
Definition
causes vasoconstriction
Term
ADP & thromboxane A2 released by platelets does what?
Definition
causes the aggregation of platelets
Term
Platelet derived growth factor released by platelets does what?
Definition
helps smooth muscle and fibroblasts divide and repair the wound.
Term
the clot formed during blood vessel repair by platelets is lysed by ____.
Definition
plasmin
Term
Blood Cell Formation aka ______.
Definition
Hematopoiesis
Term
Three phases of the Ontogeny of Blood cell Formation: _____.
Definition
Primordial phase
Hepatosplenothymic phase
Medullolymphatic phase
Term
The Primordial phase of Blood Cell formation begins at _______, with ____ RBCs & with _____ hemoglobin
Definition
2 wks of embryonic life

nucleated

fetal
Term
Hepatosplenothymic phase of Blood cell Formation begins at _____, with ______ RBCs.
Definition
2 months embryonic life

anucleated
Term
______ phase of blood cell formation occurs from birth throughout adult life
Definition
Medullolymphatic
Term
Medullolymphatic phase of blood cell formation occurs where?
Definition
Bone Marrow
Term
Hepatosplenothymic phase of blood cell formation occurs where?
Definition
Liver, Spleen and Thymus
Term
Primordial phase of blood cell formation occurs where?
Definition
Yolk sac, Blood islands of yolk sac
Term
The sequence of Ontogeny of Blood cell Formation can be pushed backwards if _____ gets damaged in adulthood, which means ______.
Definition
marrow

The spleen and liver begin producing cells again.
Term
Two types of marrow: ____
Definition
Yellow and Red
Term
Red marrow contains _____ that give rise to blood cells.
Definition
Stem Cells
Term
Red marrow is located where?
Definition
long and flat bones
Term
Red marrow contains vascular channels surrounded by _____ & ______.
Definition
developing blood cells and fat cells.
Term
Yellow marrow is mostly comprised of _____
Definition
fat cells
Term
Does hematopoiesis occur in yellow marrow?
Definition
No
Term
Blood Stem cells are cells that can produce ______ and/or _______>
Definition
more of themselves

differentiate into mature blood cells.
Term
Types of marrow stem cells _______
Definition
Colony Forming Unit (CFU)
Term
Colony Forming Unit (CFU) are ____ cells placed under the capsule of the ____ produce _______.
Definition
stem

spleen

a colony of cells containing all blood cell types
Term
Another name for Colony Forming Unit (CFU) is _______.
Definition
Pluripotential Stem Cells
Term
Multipotential Stem Cells are stem cells that ______.
Definition
give rise to many different cell types but not all.
Term
myeloid precursor is gives rise to _____.
Definition
all blood cell types except lymphocytes
Term
myeloid precursor is an example of a ______.
Definition
Multipotential Stem Cell
Term
"Unipotential stem cells" arise from _____ stem cells and give rise only to _______.
Definition
pluripotential

a specific lineage of cells.
Term
lymphoid unipotential stem cell gives rise only to _____.
Definition
lymphocytes
Term
Stem cells require interactions with ______ cells to function.
Definition
stromal
Term
Stem cells for blood are found where?
Definition
in the marrow and in circulating blood
Term
Are there markers for stem cells?
Definition
Yes
Term
Stem cell factor aka ______.
Definition
(Steel)
Term
How does Stem cell factor (Steel) regulate stem cells?
Definition
stimulates
Term
What stem cells does Stem cell factor (Steel) stimulate?
Definition
All of them
Term
Stem cell factor (Steel) is produced by ______
Definition
stromal cells
Term
Stem cell factor (Steel) exists as a _____ protein requiring ______ for signaling.
Definition
integral membrane

cell-cell contact
Term
Interleukins 1, 3, & 6 _____ many types of stem cells
Definition
stimulate
Term
GM-CSF ______ _____ stem cells involved in production of ______.
Definition
stimulates

unipotential

granulocytes & monocytes
Term
M-CSF ______ ______ stem cells involved in production of ______.
Definition
stimulates

unipotential

macrophages
Term
G-CSF ____ ______ stem cells involved in production of _______.
Definition
stimulates

unipotential

granulocytes
Term
Erythropoietin is produced by the _____ and stimulates ____ production
Definition
kidney

RBC
Term
Differentiated blood cells and a few stem cells can enter the blood stream by passing between ______ of the _______ in the marrow cavity.
Definition
endothelial cells

sinusoids
Term
The endothelial cells of the vascular channels that differentiated blood cells and a few stem cells pass between have receptors for: _______.
Definition
androgens, glucocorticoids and bacterial toxins
Term
What happens when the enothelial cells of the blood vessels near bone marrow bind their regulators (androgens, glucocorticoids and bacterial toxins)?
Definition
When these regulators bind, the endothelial cells express surface proteins that allow the differentiated cells to attach and find their way between the endothelial cells.
Term
CFU (____potential stem cell)
Definition
pluri
Term
CFU gives rise to: ______
Definition
Common myeloid precursor
Common lymphoid
Term
Common myeloid precursor is ____potential stem cell.
Definition
Multi
Term
Common lymphoid is _____potential stem cell.
Definition
uni
Term
Common myeloid precursor gives rise to: ______
Definition
Mast Cell
Basophil
Eosinophil
Monocyte
RBC
Megakaryocyte
Neutrophil
Term
Common lymphoid gives rise to: ______
Definition
Lymphocyte
Term
Types of Lymphocytes: ______
Definition
T & B Cells
Term
Pluripotential Stem Cells can be isolated from _____ and used for marrow donations
Definition
blood
Term
When trying to isolate Pluripotential Stem Cells from the blood, the donor is given ____ for 4-6 days to _______.
Definition
G-CSF

increase the movement of stem cells into the peripheral circulation.
Term
G-CSF does what?
Definition
stimulates unipotential stem cells involved in production of granulocytes
Term
The process called ______ is used to collect stem cells using the marker ______.
Definition
apheresis

CD34+
Term
Developing blood cells become _____ in size as they become more mature.
Definition
smaller
Term
The nuclei of developing blood cells becomes ______ as they mature.
Definition
more condensed
Term
Developing blood cells can be identified by the presence or absence of ______.
Definition
granules
Term
Developing blood cells can be identified by the shape of their ______.
Definition
Nucleus
Term
Developing blood cells can be identified by the staining characteristics of the ______.
Definition
granules
Term
The RBC lineage is classified on the basis of _______.
Definition
the color of the cytoplasm
Term
The granulocyte lineage of the myeloid lineage is classified on the basis of _____ & ______.
Definition
the
color of granule and the shape of the nucleus.
Term
The granulocyte lineage gives rise to: _______.
Definition
Eosinophil
Neutrophil
Basophil
Term
First common cell type in the granulocyte lineage?
Definition
Promyelocyte
Term
granulocyte development order: _______.
Definition
Promyelocyte -> Myelocyte -> Metamyelocyte -> Band -> Mature
Term
RBC development order: ______.
Definition
Basophilic erythroblast
Polychromatophilic erythroblast
Orthochromatophilic erythroblast
RBC
Term
Eosinophil lobe character?
Definition
2 lobes
Term
Neutrophil lobe character?
Definition
3-5 lobes
Term
Basophil lobe character?
Definition
lobes poorly formed - 2 lobes
Term
What steps of RBC development have the nucleus still?
Definition
Basophilic erythroblast
Polychromatophilic erythroblast
Orthochromatophilic erythroblast
Term
Red Blood Cell Production aka _______.
Definition
(Erythropoiesis)
Term
Red Blood Cell Production (Erythropoiesis) requires association with _______.
Definition
macrophages (erythroblastic islands)
Term
How do macrophages assist in RBC production?
Definition
phagocytosis of extruded nuclei
Term
Basophilic erythroblast is ____ step in RBC production (as we are concerned)?
Definition
1st
Term
Basophilic erythroblast has a very cytoplasm, because _____
Definition
the cell is producing a large number of ribosomes
Term
Why does the Basophilic erythroblast produce tons of Ribosomes?
Definition
will be needed later when the progeny of this cell begin to produce hemoglobin
Term
Polychromatophilic Erythroblast has a _____ colored cytoplasm?
Definition
Gray
Term
Basophilic erythroblast has a _____ colored cytoplasm?
Definition
Blue
Term
Polychromatophilic Erythroblast are Often found in clumps and have _____ chromatin
Definition
heterogeneous
Term
Ribosomes stain _____
Definition
Blue
Term
Hemoglobin stains ____
Definition
Tan
Term
Orthochromatic Erythroblasts are filled with a lot of _____
Definition
hemoglobin
Term
Orthochromatic Erythroblasts cytoplasm stains?
Definition
Tan
Term
White Blood Cell Production AKA (______)
Definition
leukopoiesis
Term
With White Blood Cell Production (leukopoiesis) the Nuclei become _______ & _____ as they mature.
Definition
segmented and condensed
Term
With White Blood Cell Production (leukopoiesis) the cells become _____ in size as they mature?
Definition
smaller
Term
Promyelocyte how do the granules stain?
Definition
Same color as the nucleus (Pink)
Term
A Promyelocyte is committed genetically to _______ however it has not begun to _______.
Definition
becoming one of the three granulocytes

produce any of the specific granules
Term
Color of Neutrophil nucleus and cytoplasm?
Definition
Nucleus- Pink/Purple
Cytoplasm- Light staining because the granules do not take up the dye
Term
myelocytes have a _____ shaped nucleus.
Definition
Round nucleus (Granulocyte development lineage)
Term
metamyelocyte have a _____ shaped nucleus.
Definition
indented (Granulocyte development lineage)
Term
band have a _____ shaped nucleus.
Definition
band/ horseshoe (Granulocyte development lineage)
Term
Basophils leave the marrow as ______, while Mast Cells ______
Definition
Basophils leave the marrow as mature cells while mast cells usually leave the marrow and travel to the connective tissues before they acquire mature granules.
Term
Where do Basophils mature (obtain specific granules) fully?
Definition
Bone marrow
Term
Where do Mast Cells mature (obtain specific granules) fully?
Definition
Connective Tissue
Term
Production of Platelets aka (_______)
Definition
Thromobopoiesis
Term
Platelets (Thrombocytes) are produced by _____ in the ______.
Definition
megakaryocytes

Bone Marrow
Term
With White Blood Cell Production (leukopoiesis) cells become ____ in size as they mature.
Definition
smaller
Term
Platelets are simply _____
Definition
simply small pieces of cytoplasm of Megakaryocytes
Term
Megakaryocytes are _____ sized.
Definition
Fucking huge
Term
Megakaryocytes DNA characteristic?
Definition
polyploid (extra copies of chromosomes)
Term
Platelets pinch of Megakaryocytes into _____
Definition
Blood Vessel (sinusoid)
Term
Where do Lymphocytes develop or begin to at least?
Definition
Bone Marrow
Term
B cells complete their development where?
Definition
in the marrow
Term
B cells complete their development in the marrow and then migrate to other sites where they can ______ and then _______.
Definition
contact antigen

divide to produce more B cells
Term
T cells begin in the _____ but migrate to the _____ to complete development.
Definition
marrow

thymus
Term
T cells begin in the marrow but migrate to the thymus to complete development. Then they migrate to other sites, contact _____, and then _____.
Definition
antigen

divide
Term
Monocytes develop where?
Definition
Marrow
Term
Monocytes are produced in the ____ and can migrate to other sites and divide (limited)
Definition
marrow
Term
Monocyte can also mature into ____ in the ______.
Definition
macrophages

connective tissues
Term
General Structure of Blood Vessels: _______
Definition
Tunica Adventitia
Tunica Media
Tunica Intima
Term
Tunica intima forms the Lining of the ______.
Definition
vessel
Term
Tunica intima controls __________.
Definition
passage of molecules and cells between lumen and surrounding tissue
Term
Tunica intima Regulates _____ through ____ & _____.
Definition
blood flow

vasoconstriction and vasodilation
Term
Tunica media function is to provide ______.
Definition
Structural stability
Term
Tunica media maintains ______.
Definition
Blood Pressure
Term
Tunica _____ interfaces with other tissues.
Definition
adventitia
Term
Tunica intima consits of: _____.
Definition
Endothelium
Basal lamina (ECM)
Internal elastic membrane
Term
The Endothelium of the Tunica intima consists of a _______
Definition
single layer of squamous epithelium
Term
Basal lamina (ECM) of the Tunica intima consists of: _____
Definition
collagen, proteoglycans, & glycoproteins
Term
Tunica media consists of: ______
Definition
Layers of smooth muscle - circumferential
External elastic membrane
Term
Blood vessels can be distinguished by differences in ______.
Definition
Tunica Layers
Term
Large Elastic Arteries have a _____ content
Definition
High elastic fiber
Term
Large Elastic Arteries resist and absorbs _________.
Definition
force from heart pumping
Term
Large Elastic Arteries use the _____ force to maintain blood pressure during _____.
Definition
recoil

relaxation
Term
Muscular Arteries have a High ______ content
Definition
smooth muscle
Term
Muscular Arteries maintains blood pressure by _____.
Definition
Contraction
Term
Examples of Large Elastic Arteries: _______
Definition
Aorta and major branches
Term
Large Elastic Arteries, elastic character allows it to: handle _____ stress, maintain _____, _____ closure
Definition
structural

blood pressure

valve
Term
Vasa vasorum is found where?
Definition
In the Tunica adventitia
Term
Vasa vasorum is?
Definition
arteries and veins
Term
Where is the external elastic membrane found?
Definition
Tunica media
Term
Where is the internal elastic membrane found?
Definition
Tunica Intima
Term
In Large Elastic Arteries the Tunica ______ is the thickest.
Definition
Tunica media
Term
In Large Elastic Arteries the internal elastic membrane is _________.
Definition
poorly defined
Term
The Tunica media of Large Elastic Arteries, Multiple layers of smooth muscle are separated by _____.
Definition
elastic laminae
Term
The smooth muscle of Tunica media is not truly ______, but instead ______.
Definition
circumferential

have slight spiral
Term
The Elastic laminae of the Tunica media of Large Elastic Arteries are ______.
Definition
fenestrated
Term
elastic fibers in the tunica _____ in large elastic arteries.
Definition
media
Term
Most arteries are ______.
Definition
Muscular
Term
In Muscular Arteries is the Tunica Intima thicker or thinner than in Elastic Arteries.
Definition
Thinner in elastic arteries
Term
Which Tunica is thickest in Muscular Arteries?
Definition
Media
Term
Tunica media consists of Multiple layers of ______
Definition
smooth muscle
Term
Tunica media Predominantly composed of ______.
Definition
smooth muscle
Term
The Tunica media of Muscular Arteries contain _____ amount of elastic laminae.
Definition
Few
Term
Small Arteries and Arterioles have poorly defined Tunica ______?
Definition
Tunica adventitia
Term
The Tunica media for small arteries is ______ layers thick.
Definition
3-8 layers
Term
The Tunica media for Arterioles is ______ layers thick.
Definition
1-2 layers
Term
In the Tunica intima of Arterioles the internal elastic membrane may _______.
Definition
not be present
Term
Is the internal elastic membrane present in the Tunica Intima of small arteries?
Definition
Yes versus not always being present as in arterioles
Term
Metarterioles have a ____ layer of smooth muscle.
Definition
incomplete
Term
Metarterioles Precapillary sphincter at junction to ________, which controls amount of ________.
Definition
capillary bed

blood flow into capillary
Term
Capillaries Function is for the regulation of the exchange and transport of ______.
Definition
O2, CO2 metabolites and waste between blood and tissue
Term
Capillaries are structurally composed of: ______.
Definition
single layer of endothelial cells and their basal lamina
Term
For Capillaries, what surrounds the lumen?
Definition
Single endothelial cell surrounds the entire lumen
Term
For Capillaries the diameter allows for the passage of a _______.
Definition
single RBC at a time
Term
Pericytes aka ______.
Definition
Rouget cells
Term
Pericytes are found where?
Definition
Sparsely located around capillaries
Term
Pericytes function?
Definition
Support and stability role for capilary
Term
Pericytes Surround capillaries, sharing ______.
Definition
basal lamina
Term
Pericytes, Contractile: regulated by ___
Definition
NO
Term
Capillaries are structurally composed of: ______.
Definition
single layer of endothelial cells and their basal lamina
Term
For Capillaries, what surrounds the lumen?
Definition
Single endothelial cell surrounds the entire lumen
Term
For Capillaries the diameter allows for the passage of a _______.
Definition
single RBC at a time
Term
Pericytes aka ______.
Definition
Rouget cells
Term
Pericytes are found where?
Definition
Sparsely located around capillaries
Term
Pericytes function?
Definition
Support and stability role for capilary
Term
Pericytes Surround capillaries, sharing ______.
Definition
basal lamina
Term
Pericytes, Contractile: regulated by ___
Definition
NO
Term
What support cell of capillaries is also a stem cell?
Definition
Pericytes
Term
Pericytes are _____potential stem cells
Definition
Multi
Term
Pericytes are Multipotential stem cells around capillaries that produce ______.
Definition
endothelial and smooth muscle cells (Can renew tissue for the capillaries)
Term
Pericytes function as Multipotential stem cells around capillaries when?
Definition
during development and angiogenesis
Term
angiogenesis wiki
Definition
Angiogenesis is the physiological process involving the growth of new blood vessels from pre-existing vessels
Term
Pericytes are Histologically similar to _______.
Definition
undifferentiated mesenchymal cells
Term
Mesenchyme WIKI
Definition
Mesenchyme, or mesenchymal connective tissue, is a type of undifferentiated loose connective tissue that is derived mostly from mesoderm, although some is derived from other germ layers;
Term
3 Types of Capillaries: ________.
Definition
Continuous capillaries

Fenestrated capillaries

Discontinuous capillaries (sinusoidal capillaries, sinusoids)
Term
Continuous capillaries possess _____ junctions through which only molecules _____ can pass through
Definition
Occluding

< 10 kDa
Term
In Continuous capillaries use ________ to transport larger molecules that cannot pass through the occluding junctions (<10 kDa only).
Definition
Pinocytic vesicles
Term
Continuous capillaries are typical of: ______ tissues.
Definition
muscle, lung, CNS
Term
Fenestrated capillaries have Fenestrations that are _____ diameter
Definition
80-100 nm
Term
Two types of Fenestrated capillaries: _____.
Definition
Without diaphragms

With diaphragms
Term
Where are the diaphragms of Fenestrated capillaries derived from?
Definition
glycocalyx
Term
What does the diaphragms of Fenestrated capillaries that possess them cover?
Definition
The Gaps
Term
Fenestrated capillaries are typical of: _____ tissues.
Definition
endocrine glands, gall bladder, kidney, intestine
Term
Discontinuous capillaries aka (_______)
Definition
sinusoidal capillaries, sinusoids
Term
Discontinuous capillaries have _____ diameters compared to the two other types of capillaries (Continuous & Fenestrated)
Definition
Larger
Term
Discontinuous capillaries have a ____ diameter, are _____ shaped, and have ______ sized gaps.
Definition
Large

Irregular

Large
Term
Discontinuous capillaries (sinusoidal capillaries, sinusoids) are typical of: ____ tissues.
Definition
liver, spleen, bone marrow
Term
Tunica are not as well defined in veins or arteries?
Definition
Veins
Term
Who has thinner walls, veins or arteries?
Definition
Veins
Term
Who has larger lumens, veins or arteries?
Definition
Veins
Term
Veins or Arteries are often partly collapsed in sections?
Definition
Veins
Term
Venules are like ______
Definition
Large glorified capillaries
Term
Venules tunica characteristics?
Definition
Only has a Tunica Intima
Term
Do Venules have Pericytes?
Definition
Yes (just like capillaries)
Term
Where are the Pericytes found around venules?
Definition
at the tunica intima
Term
Small Veins have a diameter of ______.
Definition
< 1mm
Term
Small Veins tunica characteristics?
Definition
Possess all 3
Term
Do Venules tunica intima have a basal lamina?
Definition
Yes
Term
Components of Tunica intima of Small Veins?
Definition
–Endothelium with basal lamina
–Sometimes have a thin subendothelial layer of connective tissue
–Sometimes have a thin internal elastic membrane
Term
The Tunica media of Small Veins is composed of _____ layers.
Definition
1-3 layers of smooth muscle
Term
Small Arteries have ____ layers of smooth muscle in their tunica media.
Definition
3-8 layers
Term
Arterioles have ____ layers of smooth muscle in their tunica media.
Definition
1-2 layers
Term
In small veins what tunica is thicker media or adventitia?
Definition
Tunica adventitia is Thicker than tunica media
Term
The Tunica adventitia of small veins is composed of ______
Definition
Connective tissue: collagen fibers and elastic fibers
Term
What Tunica is thickest in Muscular Arteries & Large Elastic Arteries?
Definition
Media
Term
What type of veins posses valves?
Definition
Medium Veins
Term
Medium Veins diameter?
Definition
1-10mm
Term
Medium Veins Tunica intima is composed of: ______.
Definition
–Endothelium with basal lamina
–Subendothelial layer: small (connective tissue, some smooth muscle cells)
–Sometimes have a thin internal elastic membrane
Term
Medium Veins Tunica Media is ____ compared to arteries.
Definition
Thinner
Term
The Tunica media of Medium Veins is made up of multiple layers of ______.
Definition
circumferential smooth muscle
Term
The smooth muscle making up arteries tunica media is not truly circumferential , but _____.
Definition
Spiral
Term
In medium veins the Tunica Intima's boundary with tunica media is often ______.
Definition
ill-defined
Term
Tunica media of Medium Veins has _____ & ______ present in addition to smooth muscle.
Definition
Collagen and elastic fibers
Term
Tunica media of Medium Veins sometimes has ______ cells at outermost region.
Definition
longitudinal smooth muscle
Term
What is thicker in Medium Veins, Tunica Media or Adventitia?
Definition
Tunica adventitia
Term
The Tunica adventitia of Medium Veins is composed of _______.
Definition
Connective tissue: collagen fibers and elastic fibers
Term
_____ veins have valves.
Definition
Medium Sized
Term
Large Veins Tunica intima is composed of: ______.
Definition
–Endothelium with basal lamina
–Subendothelial layer: small (connective tissue, some smooth muscle cells)
–Sometimes have a thin internal elastic membrane
Term
Large Veins thickest Tunica layer is?
Definition
Large Veins
Term
In the Tunica media of Large veins _______ and _____ are present.
Definition
Collagen and elastic fibers present
Term
The Tunica media of Large veins possesses multiple layers of ______ smooth muscle.
Definition
circumferential
Term
The Tunica adventitia of Large Veins is composed of: ______.
Definition
-Connective tissue: collagen fibers and elastic fibers
–Longitudinal smooth muscle cells
–Vasa vasorum: arteries and veins
Term
Which veins have a Vasa vasorum?
Definition
Large Veins
Term
Which veins have Longitudinal smooth muscle in their Tunic adventitia?
Definition
Large Veins
Term
Which arteries have Longitudinal smooth muscle in their Tunic adventitia?
Definition
None
Term
Layers of the Heart Wall: _______.
Definition
Endocardium
Subendocardium
Myocardium
Epicardium
Term
The Endocardium is composed of: _______.
Definition
–Endothelium
–Subendothelial connective tissue layer
–Layer of connective tissue and smooth muscle cells
Term
The Subendocardium is composed of: _______.
Definition
–Connective tissue
–Conducting system is in this layer
Term
The Myocardium is composed of: _______.
Definition
Cardiac muscle
Term
The Epicardium is composed of: _______.
Definition
-Layer of connective and adipose tissue containing blood and nerves
–Mesothelial cells:
Term
In what layer of the heart is the conducting system found?
Definition
Subendocardium
Term
Subendocardium is continuous with ______.
Definition
myocardium
Term
In what layer of the heart is the Endothelium found?
Definition
Endocardium
Term
In what layer of the heart is the Purkinje Fibers found?
Definition
Subendocardium
Term
In what layer of the heart is the Cardiac muscle found?
Definition
Myocardium
Term
What is the largest layer of the heart?
Definition
Myocardium
Term
Mesothelial cells are found in what layer of the heart?
Definition
Epicardium
Term
Mesothelial cells line the ______.
Definition
line surface of heart
Term
In what layer are the nerves and blood vessels supplying the heart contained?
Definition
Epicardium in the layer of connective tissue
Term
In what layer of the heart are smooth muscle cells found?
Definition
Endocardium
Term
Electrical Conducting System of the Heart is composed of: ______.
Definition
Sinoatrial (SA) node
Atrioventricular (SV) node
Atrioventricular bundle of His
Purkinje Fibers
Term
What generates the electrical signal of the heart?
Definition
SA node
Term
SA (_____) node
Definition
Sinoatrial
Term
SV (______) node
Definition
Atrioventricular
Term
Atrioventricular (SV) node is located Beneath the _____ of the ______.
Definition
endocardium

right atrial septal wall
Term
Atrioventricular (SV) node uses _______ cells.
Definition
Cardiac conducting cells
Term
What are larger Cardiac conducting cells or Cardiac Muscle Cells?
Definition
Cardiac conducting cells
Term
Atrioventricular (SV) node is found in what layer of the heart?
Definition
Subendocardium
Term
What is the pacemaker of the heart?
Definition
Sinoatrial (SA) node
Term
Sinoatrial (SA) node is made of ______ cells.
Definition
Nodal cardiac muscle
Term
Nodal cardiac muscle cells which make up the SA node are specialized ______.
Definition
Specialized conductive cardiac muscle cells
Term
What are larger Nodal cardiac muscle cells or cardiac muscle cells?
Definition
cardiac muscle cells
Term
Nodal cardiac muscle cells which make up the SA node have atypical ______.
Definition
intercalated discs
Term
Atrioventricular (SV) node, receives impulses from _____.
Definition
SA node
Term
Atrioventricular bundle of His transmits impulse across ______ to _____ by left and right branches.
Definition
fibrous skeleton (dense connective tissue)

ventricles
Term
Atrioventricular bundle of His is composed of _______ cells.
Definition
Cardiac conducting cells
Term
Purkinje Fibers are ______ branches and _____ of the conducting system.
Definition
Subendothelial

termini
Term
Purkinje Fibers are composed of _______ cells.
Definition
Specialized conductive cardiac muscle cells
Term
Purkinje Fibers are _____ in size compared to cardiac muscle cells.
Definition
Larger
Term
Purkinje Fibers are found in the ______ layer of the heart.
Definition
endocardium
Term
Do Purkinje Fibers posses Intercalated discs?
Definition
Yes
Term
Difference between Purkinje Fibers & Cardiac Muscle Intercalated discs?
Definition
Purkinje Fibers are more variable and not as well defined.
Term
Lymphatic Vascular System is ____ directional.
Definition
Uni
Term
Lymphatic Vascular System Conveys fluids from _____ to _____.
Definition
tissues to blood stream
Term
Lymphatic capillaries Originate in tissues as ______ vessels.
Definition
blind-ended
Term
Lymphatic capillaries are more _____ & _____ than capillaries.
Definition
dense and irregular
Term
Do Lymphatic capillaries have fenestrations?
Definition
No
Term
Lymphatic capillaries are highly _____.
Definition
permeable
Term
Lymphatic capillaries are Highly permeable and therefore can collect _____ and _____ too large to enter capillaries
Definition
proteins and lipids
Term
Lymphatic vessels and ducts have ______.
Definition
Valves
Term
Major Parts of the skin: ______
Definition
epidermis
dermis
hypodermis
Term
The epidermis is composed of ______ epithelium.
Definition
stratified squamous keratinized epithelium
Term
The dermis is composed of ______.
Definition
dense irregular connective tissue
Term
The hypodermis is composed of ______.
Definition
loose connective tissue
Term
Appendages of the Skin: _______.
Definition
1. Sweat glands
2. Sebaceous glands
3. Hair follicles
4. Nails
Term
Cells of the Epidermis: _______.
Definition
1. Keratinocytes
2. Melanocytes
3. Langerhans cells
4. Merkel cells
Term
What cell type makes up 90% of the epidermis?
Definition
Keratinocytes
Term
Keratinocytes provide _____ function to the epidermis.
Definition
waterproofing
Term
Melanocytes produce what?
Definition
Melanin
Term
Through Melanin Melanocytes provide _____ function for the epidermis.
Definition
UV Shielding
Term
Langerhans cells serve what function for the epidermis?
Definition
immune surveillance
Term
Merkel cells serve what function for the epidermis?
Definition
sensation
Term
Merkel cells are similar to _______.
Definition
meissner's corpuscles
Term
Keratinocytes are derived from from embryonic
______.
Definition
ectoderm
Term
Keratinocytes produce ______ (proteins)
Definition
keratins
Term
Keratinocytes produce ______ (lipids)
Definition
lamellar bodies
Term
lamellar bodies produced by Keratinocytes do what?
Definition
Waterproof the skin
Term
Keratinocytes cells divide at the ____ and then _____ and are pushed toward the surface creating layers.
Definition
bottom

differentiate
Term
Keratinocytes are involved in the production of vitamin _____.
Definition
D
Term
Keratins give skin what property?
Definition
Strength
Term
Keratins are a family of proteins with at least 30 different types (some _____, others _____).
Definition
flexible

strong
Term
Many of the keratins are formed into _____ that span the cell attaching to _____ in the cytoplasmic membrane.
Definition
intermediate filaments

desmosomes
Term
Desmosome WIKI
Definition
a cell structure specialized for cell-to-cell adhesion
Term
The presence of keratins in cells is a marker of _____ origin.
Definition
epithelial
Term
Layers aka (____).
Definition
strata
Term
Layers (strata) of keratinocytes in the epidermis: ______.
Definition
1. Stratum corneum
2. Stratum granulosum
3. Stratum spinosum
4. Stratum basale
Term
stratum basale of keratinocytes has _____ shaped cells.
Definition
cuboidal to low columnar
Term
Most of the stratum basale are ____ cells.
Definition
stem
Term
stratum basale produces ____ keratins.
Definition
flexible
Term
stratum basale makes ______ that attach epidermis to dermis
Definition
hemidesmosomes
Term
stratum basale contains a few melanocytes and ____ cells.
Definition
Merkel
Term
Is cell division occurring in the stratum basale?
Definition
Yes
Term
Is cell division occurring in the Stratum
Spinosum?
Definition
Yes
Term
Stratum Spinosum produces ____ keratins.
Definition
Stiff
Term
In the Stratum Spinosum ______ hold cells together giving it a spiny appearance.
Definition
desmosomes
Term
Stratum Spinosum cells produce lamellar granules that have a ______.
Definition
high lipid content
Term
Stratum Granulosum has _____ granules.
Definition
keratohyalin
Term
Does cell division occur in the Stratum Granulosum?
Definition
no
Term
The Stratum Granulosum has ____ keratins.
Definition
stiff
Term
Where do Keratinocytes begin to undergo apoptosis?
Definition
Stratum Granulosum
Term
In the Stratum Corneum cells are _____ shaped & ______.
Definition
flattened

Dead
Term
In the Stratum Corneum, lipid from ______ are released creating a waterbarrier
Definition
lamellar granules
Term
Where are the lamellar granules produced that release their lipid contents into the Stratum Corneum?
Definition
Stratum Spinosum
Term
______ occurs at the surface of the Stratum Corneum.
Definition
desquamation (shedding)
Term
What layers of Keratinocytes produce keratins?
Definition
strata basale, spinosum and granulosum
Term
What Keratinocytes produce filaggrin and store it in granules.
Definition
stratum granulosum
Term
Keratinocytes die and ____ crosslinks keratin molecules together giving strength to the stratum corneum.
Definition
filaggrin
Term
At death, keratinocytes also release the
_____ granules allowing lipids to form a hydrophobic shield helping the skin retain moisture.
Definition
lamellar
Term
What layer does not produce keratins?
Definition
stratum corneum
Term
Melanocytes are Derived from ______.
Definition
neural crest
Term
Melanocytes cell bodies are where?
Definition
stratum basale
Term
Melanocytes Produce _____ and package it in membrane-bound vesicles called _______.
Definition
melanin

melanosomes
Term
Melanosomes are released and then endocytosed by ______.
Definition
keratinocytes
Term
Melanosomes are released and then endocytosed by keratinocytes. The melanin is released and then becomes located where?
Definition
on the "sunny side" of the keratinocyte nucleus.
Term
Melanin protects against ____ & gives skin its _____.
Definition
UV

color
Term
Melanocytes-________ unit
Definition
keratinocyte
Term
All people have about the same number of ______. (with respect to melanin)
Definition
melanocytes
Term
All people have about the same number of melanocytes. The difference in color among individuals is the _____ as well as the ______.
Definition
size and number of melanosomes

type of melanin
Term
Melanocytes-keratinocyte unit uses ____crine.
Definition
paracrine
Term
In the Melanocytes-keratinocyte unit, UV light is adsorbed by _____.
Definition
keratinocyte
Term
After being exposed to UV light, the Keratinocyte then produces _____.
Definition
alpha MSH
Term
After being exposed to UV light, the Keratinocyte then produces alpha MSH. alpha MSH is then adsorbed by ______, causing it to _______.
Definition
melanocytes

Release melanosomes filled with melanin
Term
After being exposed to UV light, the Keratinocyte then produces alpha MSH. alpha MSH is then adsorbed by melanocytes, causing it to release melanosomes filled with melanin. The melanosomes then travel to ______
Definition
keratinocyte
Term
Dopa & Dopaquinone are produced from _____.
Definition
Tyrosine
Term
Dopa & Dopaquinone can be converted into ______ or _____.
Definition
Pheomelanin

Eumelanin
Term
Pheomelanin gives rise to _____ colors.
Definition
red to yellow
Term
Eumelanin gives rise to ____ colors.
Definition
brown to black
Term
RDS for Melanin biosynthesis?
Definition
Tyrosine to Dopa & Dopaquinone by tyrosinase
Term
Malignant Melanoma is cancer of ______.
Definition
melanocytes
Term
In Vitamin D Biosynthesis 7-dehydrocholesterol, made by _______ in the _____ stratas is converted into ______, which will eventually become vitamin D, by UVB light.
Definition
keratinocytes

in basale and spinosum

Cholecalciferol
Term
Merkel cells are found where?
Definition
basal layer epidermis
Term
Merkel cells are connected to _____ that enter the _____ forming a Merkel cell corpuscle.
Definition
sensory nerves

epithelium
Term
Merkel cells provide _______.
Definition
provide light pressure and touch sensation.
Term
Langerhans cells bind and chemically modify _____ in skin.
Definition
antigens
Term
Langerhans cells migrate to _____ via _____.
Definition
lymph nodes

lymphatic vessels
Term
Langerhans cells that have left the epidermis and have migrated to the lymph nodes then interact with _____ in the lymph node signaling them to ______ specific to _______.
Definition
lymphocytes

proliferate into a clone of cells

the antigen they found in the skin.
Term
Which of the following cells has
the most melanin?
1. Merkel cell
2. Keratinocyte
3. Melanocyte
4. Langerhans cell
Definition
Keratinocyte
Term
The Dermis is composed of ______.
Definition
dense irregular connective tissue
Term
Dermis contains few cells but much ______.
Definition
ECM
Term
The Dermis is highly ______.
Definition
Vascular
Term
The Dermis is divided into two regions: _____.
Definition
papillary region

reticular region
Term
The reticular region of the dermis conveys ______.
Definition
strength
Term
The papillary region of the dermis conveys ______.
Definition
flexibility
Term
Types of Sweat glands: _______.
Definition
1. Merocrine (eccrine)
2. Apocrine (Really secretes by merocrine also)
Term
Merocrine (eccrine) sweat glands produce a watery sweat that _____.
Definition
aids in cooling
Term
Apocrine sweat glands open into ______.
Definition
hair follicles
Term
Apocrine sweat glands open into hair follicles primarily in _____ where the secretion is watery.
Definition
axilla
Term
Specialized apocrine glands sweat glands also found in eyelids and ear canal where they produce a waxy secretion (______).
Definition
(cerumen)
Term
Which sweat gland can reabsorb sweat and therefore salt?
Definition
Merocrine (eccrine)
Term
Merocrine (eccrine) sweat glands act in salt retention under the control of ______.
Definition
aldosterone
Term
What stains darker in an Apocrine Sweat Gland, the Gland or Duct?
Definition
Gland
Term
How many cells thick is the Apocrine Sweat Gland Duct?
Definition
2
Term
How many cells thick is the Apocrine Sweat Gland itself?
Definition
1
Term
Sebaceous glands use _____ secretion.
Definition
Holocrine secretion (entire cell contributes to secretion).
Term
Sebaceous glands are located where?
Definition
Dermis
Term
Sweat Glands are located where?
Definition
Dermis
Term
Sebaceous glands has a short duct which empties into ______.
Definition
Hair Follicle
Term
Sebaceous glands are located near?
Definition
Hair Follicles
Term
Sebaceous glands look like they have ____ in their lumens.
Definition
fat cells (don't actually duh)
Term
Meisner's corpuscle are located where?
Definition
Papillary region of dermis
Term
Hypodermis has ______ corpuscles.
Definition
Pacinian corpuscles
Term
Pacinian corpuscles sense ______.
Definition
pressure
Term
Hypodermis contains some ____ glands.
Definition
Sweat
Term
Hypodermis is composed of mainly ______.
Definition
adipocytes
Term
Thin skin possesses _______.
Definition
hair, sweat glands
Term
Thick skin possesses ______.
Definition
Many sweat glands and NO hair.
Term
Thick skin is found where?
Definition
found on palms of hands and soles of feet
Term
Thick skin is ____mm or more thick.
Definition
5
Term
Skin Is _____ Permeable
Definition
Selectively
Term
The skin is selectively soluble to: ______.
Definition
fat-soluble substances such as vitamins A, D, E, and K, as well as steroid hormones such as estrogens and androgens.
Term
Patches use the Selectively Permeable character of skin to hydrophobic substances (fat soluble vitamins and steroids) to deliver ________.
Definition
estrogen, scopolamine (motion sickness), nitroglycerin (heart problems), and nicotine (for those trying to quit smoking).
Term
In the Aging of Skin the dermis of the skin is ______.
Definition
most affected
Term
Ageing of Skin results in decreased ______ & ______ contents.
Definition
decreased collagen and elastic fibers (fragility)
Term
Ageing of Skin results in a reduction of the ______ (~ 50%) and decreased ______.
Definition
capillary bed

hydration
Term
photoaging is sun damage from UV_.
Definition
A
Term
strong attachment of basal layer of epidermis to _____.
Definition
dermis
Term
Hair is formed in the hair follicle by cells in the ______.
Definition
matrix
Term
Melanocytes add _____ to the hair.
Definition
melanin
Term
Hair grows in _____.
Definition
cycles
Term
The growth phase of hair can last from _____ to ____ in duration.
Definition
months to years
Term
After the growth phase of hair has ceased the hair follicle then _______.
Definition
shuts down and the hair is released/shed.
Term
After the hair follicle has shed, it then _____.
Definition
rests for a few months, and then growth resumes to produce a new hair.
Term
What dictates length of hair?
Definition
Length of the hair growth cycle
Term
Eyelashes grow for ____ in duration and hair on the scalp grows for _____ in duration.
Definition
a few months

2-6 years
Term
The _____ of the hair follicle is where vessels and nerves can be found.
Definition
dermal papilla
Term
The nail plate is produced by cells in the _____.
Definition
matrix
Term
nail plate slides along the _____ of the finger.
Definition
epithelium
Term
Nail plate is hard because of presence of proteins with high _____ & _____.
Definition
sulfur content and calcium salts.
Term
the ducts of sweat glands are ____ in structure.
Definition
bistratified cuboidal
Term
Lymphatic organs/tissues types: _______.
Definition
Thymus
Lymph nodes
Nonencapsulated nodules
Spleen
Term
What lymphatics tissues/organs are encapsualted?
Definition
All but Nonencapsulated nodules,

basically Thymus, Lymph nodes, Spleen
Term
Which lymphatic tissue/organ is not a site of action?
Definition
Thymus
Term
Where are Tcells produced?
Definition
Bone Marrow
Term
Where do Tcells mature?
Definition
Thymus
Term
Thymus Functions in the _____ & ____ of T cells.
Definition
Differentiation and proliferation
Term
Which lymphatic tissue/gland is partitioned into lobules?
Definition
Thymus
Term
Lobules of the Thymus have a _______ & _____.
Definition
a medulla and cortex
Term
Thymus Cells: ______.
Definition
Differentiating T cells
Epithelioreticular cells
Term
Epithelioreticular cells produce factors that regulate _______.
Definition
T cell differentiation.
Term
Epithelioreticular cells are found in the _______.
Definition
Medulla
Term
______ cells are found in the Cortex of the lobules of the Thymus.
Definition
lymphocytes
Term
Epithelioreticular cells induce _____ & ______.
Definition
proliferation and differentiation
Term
Epithelioreticular cells in the thymus can differentiate T Cells into: ______
Definition
CD4 and CD8
Term
After CD8 cells have come in contact with an antigen presenting cell they can become: ______.
Definition
CD8 Cytotoxic T cells
Term
CD8 Cytotoxic T cells do what?
Definition
kill virus-infected cells, tumor cells and grafts
Term
After CD4 cells have come in contact with an antigen presenting cell they can become: ______.
Definition
Regulatory T Cells

CD4 Helper Cells
Term
CD4 Helper Cells do what?
Definition
Stimulate B cells/plasma cells to make antibodies.
Term
Regulatory T Cells do what?
Definition
are involved in tolerance to self-antigens.
Term
Regulatory T Cells aka (_______).
Definition
T Suppressor cells
Term
CD4 and CD8 T cells enter blood and migrate to sites where immune cells are needed to mount _____ & _____ reactions.
Definition
inflammatory and immune
Term
If the T cell contacts a foreign antigen presented by a ____ or _____, it can _______.
Definition
dendritic cell or macrophage

differentiate further (Into CD4 and CD8)
Term
What cells are killed by the AIDS virus?
Definition
CD4 Helper Cells
Term
Lymphocyte enters thymus from bone marrow by binding ____ on endothelial cells
Definition
CAMS
Term
After the Naive Lymphocyte has entered the cortex, Thymosin, IL-7 and other factors from _______ cause lymphocytes to proliferate and express T cell receptors and _______; and are now called ________.
Definition
epithelioreticular cells

the CD4 and CD8 coreceptors

double positive T cells.
Term
Where are developing T cells presented with antigens?
Definition
In the Medulla and Cortex of the Thymus
Term
Epithelioreticular cells interact with the _______ T cells by presenting self antigens. This causes them to _______.
Definition
double positive

express only one of the coreceptors
Term
Epithelioreticular cells interact with the double positive T cells by presenting self antigens. This causes them to express only one of the coreceptors. Those cells
that fail to interact ______.
Definition
die by apoptosis.
Term
T cells migrate to the medulla and are again presented with ______ by epithelioreticular cells.
Definition
self-antigens
Term
The Thymus has ______ corpuscles.
Definition
Hassall’s Corpuscle
Term
Where are Hassall’s Corpuscles found in the Thymus?
Definition
medulla
Term
Hassall’s Corpuscle are a concentrated site of ______ cells that induce T cell differentiation.
Definition
epithelioreticular
Term
Because the thymus is focused on T cell production rather than being a site of immune ______, it restricts _____ from contacting the maturing lymphocytes by the _________.
Definition
reactions

antigens

Blood-Thymus Barrier
Term
Components of the Blood-Thymus Barrier of the Thymus: ________.
Definition
Epithelioreticular cells, macrophages, and endothelium of capillaries
Term
Lymph Nodes have a Capsule and trabeculae made of ______.
Definition
collagen
Term
Lymph Nodes have numerous _______ to which the cells are attached.
Definition
reticular fibers
Term
Two major subdivisions of the Lymph Node: _______.
Definition
Cortex
Medulla
Term
The Cortex of Lymph Nodes is composed of _____ of lymphocytes and lymphatic sinuses
Definition
nodules
Term
Medulla of Lymph Nodes is composed of _____ of lymphocytes and lymphatic sinuses
Definition
cords
Term
Lymph Nodes function to filter lymph and ______ to lymphocytes.
Definition
present antigen
Term
In the lymph node, antigen presenting cells trap antigens and then present antigens to ______ that then become activated.
Definition
B lymphocytes
Term
The dendritic cells that present the antigens to the B lymphocytes in the lymph node caan be where?
Definition
in the lymph node

or they can trap antigen in another organ and then migrate to the
lymph node to interact with lymphocytes
Term
Activated B cells proliferate creating a ____ of cells _____ to the antigen.
Definition
clone

specific
Term
Activated B cells proliferate creating a clone of cells specific to the antigen. This group of cells is called a "_____".
Definition
germinal center
Term
Activated B cells proliferate creating a clone of cells specific to the antigen. This group of cells is called a "germinal center". The lymphocytes then migrate
into the ________ and become ________.
Definition
medullary cords

plasma cells
Term
Plasma cells can leave the _____ from Thymus and travel in the lymph to other nodes and ultimately to the _____.
Definition
cords

blood
Term
Plasma cells can leave the cords from Thymus and travel in the lymph to other
nodes and ultimately to the blood. They can leave the blood and enter _____ and continue to produce ______.
Definition
peripheral connective tissues

antibody
Term
*Some B cells migrate into the edge of the germinal center ("mantel" or "corona") where they become _______.
Definition
memory cells
Term
B cells/plasma cells require interactions with ________ for antibody production.
Definition
helper T cells
Term
T cells reside where in the Lymph Nodes?
Definition
T cells reside in a zone between the cortex and the medulla.
Term
B cell activation and production of ______.
Definition
B cell activation and production of germinal center
Term
Activated _ cells divide to produce a clone of cells that is the germinal center.
Definition
B
Term
Some B-cells become ______ after antigen exposure.
Definition
memory cells
Term
Reticular fibers are found where in the lymph node?
Definition
the lymph sinuses
Term
Lymphocytes enter the lymph nodes via the _______ and exit via the _______.
Definition
postcapillary venules

lymph fluid
Term
_____ is the site where lymphocytes leave the blood vascular system and enter the node.
Definition
postcapillary venules
Term
nodules are found in what layer of the lymph node?
Definition
cortex
Term
Nonencapsulated Nodules are commonly found in the _____ of the respiratory and digestive systems, but other places too.
Definition
loose connective tissues
Term
Nonencapsulated Nodules are primarily clusters of _____ with ______.
Definition
lymphocytes

germinal centers
Term
_______- Although commonly called
nonencapsulated nodules they do have a partial capsule.
Definition
Tonsils
Term
The spleen performs two very different
functions: __________.
Definition
• Filters blood and produces antibodies to
antigens in blood.
• Removal of old red blood cells.
Term
white pulp is made up of a _____ and _____ and sometimes _____.
Definition
artery and PALS

germinal center
Term
Germinal center sometimes called
a _______ in the spleen.
Definition
splenic corpuscle
Term
In the spleen, antigens come from the ______.
Definition
blood
Term
Blood enters the artery as a _____ and leaves a ______.
Definition
Artery

Vein
Term
PALS are a sheath of _______ with a few ______ cells.
Definition
T lymphocytes

B
Term
nodules are found in what layer of the lymph node?
Definition
cortex
Term
PALS are found around _____ in spleen
Definition
Germinal Center
Term
Two Parts of the Respiratory Tube: _____.
Definition
Conducting portion & Respiratory portion
Term
Conducting portion of the Respiratory Tube spans from ______ to _____.
Definition
nasal opening to the terminal
bronchioles
Term
Respiratory portion of the Respiratory Tube spans from ______ to _____.
Definition
respiratory bronchioles to
alveoli
Term
Respiratory portion of the Respiratory Tube functions in ______ and _______.
Definition
gas exchange

filtering air
Term
Conducting portion ______ & _____ the air.
Definition
Warm

Moisturizes
Term
Conducting portion filters the air by using ______ and ______.
Definition
cilia and mucus
Term
olfaction (smell) phonation (speech) are accomplished by the ______ portion of the respiratory system.
Definition
Conducting
Term
Conducting Portion of the respiratory is lined primarily by _________.
Definition
Respiratory epithelium
Term
respiratory epithelium is composed of ______ cells.
Definition
ciliated columnar cells
Term
The respiratory epithelium of the conducting portion is composed: _______.
Definition
- ciliated columnar cells
- goblet cells
- brush cells (sensory)
- basal cells (stem cells)
- small granule cell (paracrine/DNES cells).
Sometimes called Kulchitsky cells.
Term
The basal cells of the respiratory epithelium of the conducting portion function as ______.
Definition
stem cells
Term
The brush cells of the respiratory epithelium of the conducting portion function in ______.
Definition
sensory
Term
Two Parts of the Nasal Cavity?
Definition
Vestibule

Fossae
Term
Vestibule of the Nasal Cavity is lined by ________ epithelium at opening then transitions to ________ epithelium inwardly.
Definition
stratified squamous keratinized

respiratory
Term
Fossae of the Nasal Cavity are two chambers within skull lined primarily by
______ epithelium.
Definition
respiratory
Term
The Fossae of the Nasal Cavity has two Specialized regions: _______.
Definition
Swell bodies

Olfactory epithelium
Term
Cells of olfactory epithelium are found on the _________.
Definition
superior conchae
Term
What Cells of olfactory epithelium Secrete odorant binding proteins that deliver odorant to receptors?
Definition
supporting cells
Term
Supporting cells are _____ shaped cells with microvilli.
Definition
Columnar
Term
_______ are Odorant receptors on cilia of the Cells of the olfactory epithelium.
Definition
Olfactory bipolar cells
Term
Olfactory bipolar cells receptors detect more than ____ type of odorant and are _____ type of receptors.coupled.
Definition
one

G-protein
Term
When an Odorant binds a Olfactory bipolar cells Odorant receptor _____ & _____
levels increase causing ________.
Definition
cAMP and sodium

depolarization
Term
Basal cells are round _______ cells on the ______ of Cells of olfactory epithelium.
Definition
stem cells

basal lamina
Term
Brush cells are ______.
Definition
microvilli
Term
Brush cells are microvilli have _____ function for Cells of olfactory epithelium.
Definition
sensory (chemoreceptors)
Term
______ glands are found under olfactory epithelium.
Definition
Bowman’s
Term
Bowman’s glands produce a serous (watery) secretion to ______.
Definition
wash away odorants
Term
Cells of olfactory epithelium contain: ______ cells
Definition
Supporting cells
Olfactory bipolar cells
Basal cells
Brush cells
Term
Paranasal Sinuses are blind cavities in the facial bones that are lined by ________.
Definition
thin respiratory epithelium
Term
Both nasopharynx and oropharynx of the Pharynx are lined are with _______.
Definition
respiratory epithelium
Term
In the Larynx the Epiglottis and vocal folds are covered with _______ and the rest is covered by _________.
Definition
stratified squamous epithelium

respiratory epithelium
Term
The Trachea and Bronchi are lined with ______.
Definition
respiratory epithelium
Term
Both nasopharynx and oropharynx of the Pharynx are lined are with _______.
Definition
respiratory epithelium
Term
Neuroepithelial Bodies are found mostly in the ______.
Definition
bronchi
Term
Neuroepithelial Bodies, mostly found in the bronchi, are clusters of _____ cells that release factors that regulate _______.
Definition
small granule

blood flow to the alveoli
Term
Does an Intrapulmonary have hyaline cartilage?
Definition
Yes, plates
Term
Do Bronchioles have cartilage?
Definition
No
Term
Proximal bronchioles characteristics: _____
Definition
respiratory epithelium with cilia and goblet cells

No cartilage
Term
Terminal bronchioles characteristics: _____
Definition
Simple cuboidal with cilia but no goblet cells.

No cartilage
Term
_______ stimulation decreases the diameter and _____ stimulation increases diameter of the terminal bronchioles.
Definition
Parasympathetic

sympathetic
Term
_____ is the beginning of the respiratory portion of the Respiratory Tube
Definition
Respiratory bronchioles
Term
Characteristic of Respiratory bronchioles?
Definition
Simple cuboidal, Aveloi are present (Starting to develop from the tube), no goblet cells, no cartilage NO CILIA
Term
_____ Cells are Stem cells in the bronchioles.
Definition
Clara
Term
Clara Cells function in the bronchioles to ______ from surface fluid.
Definition
Remove toxins
Term
Clara Cells in the bronchioles Secrete a _____ that cleaves the surface protein
“_____” of ______ thereby activating it to cause the symptoms of the flu.
Definition
tryptase

hemagglutinin

influenza A
Term
Clara Cells Secrete _____ that can be used as a marker for lung injury.
Definition
CC16
Term
Order of the bronchioles?
Definition
Proximal -> Terminal -> Respiratory
Term
Respiratory bronchioles give rise to _____, which give rise to _____.
Definition
Alveolar Ducts

Alveolar Sacs
Term
____ is the site of gas exchange between blood and air.
Definition
Alveoli
Term
The Blood air barrier is ___ thick.
Definition
1 μm
Term
The Blood air barrier is made up of Type ______ alveolar cells, the _____ of capillaries, and the ______.
Definition
Type I alveolar cell

Endothelium

Fused basal lamina
Term
Type I alveolar cell are a ____ shaped cell.
Definition
squamous cell
Term
Type I alveolar cells make up ___% of
the alveolar surface.
Definition
97
Term
Type II alveolar cells produce ______.
Definition
surfactant
Term
Type ___ alveolar cells are stem cells for type I and II cells
Definition
II
Term
Other than Type I and Type II alveolar cells, what other two cell types are present in an Alveolus?
Definition
Fibroblasts

Macrophages
Term
Fibroblasts in the Alveolus secrete ____ under the regulation of parathyroid-like peptide.
Definition
leptin
Term
Fibroblasts in the Alveolus secrete leptin, which does what?
Definition
stimulates type II cells to produce surfactant.
Term
Macrophages do what in the alveoli?
Definition
eliminate particles in the alveoli
Term
Where does cartilage stop in the respiratory tube?
Definition
bronchi are last to have them
Term
Where do goblet cells stop in the respiratory tube?
Definition
proximal bronchi are the last to have them
Term
Where does Cilia stop in the respiratory tube?
Definition
Terminal bronchi are the last to have them
Term
Where are Clara Cells found in the respiratory tube?
Definition
Bronchioles
Term
Where are macrophages, Type I, and Type II alveolar cells found in the respiratory tube?
Definition
Respiratory bronchioles, Alveolar Ducts/ Sacs
Term
Where is smooth muscle found in the respiratory tube?
Definition
Everywhere but in the Alveolar sacs
Term
Where are Alveoli found in the respiratory tube?
Definition
Respiratory bronchioles, Alveolar ducts/ Sacs
Term
Epithelium of Trachea?
Definition
Pseudostratified columnar
Term
Epithelium of Bronchi?
Definition
Pseudostratified columnar
Term
Epithelium of Proximal bronchioles?
Definition
Simple columnar
Term
Epithelium of Terminal bronchioles?
Definition
Simple cuboidal
Term
Epithelium of Respiratory bronchioles?
Definition
Simple cuboidal
Term
Epithelium of Alveolar ducts?
Definition
Simple squamous
Term
Epithelium of Alveolar sacs?
Definition
Simple squamous
Term
COPD is common in ______.
Definition
smokers
Term
Smoking causes an increase in ______ cells
that secrete chemo-attractants for _______.
Definition
macrophage

neutrophils
Term
Neutrophils attracted by the increased present of macrophages brought by smoking, enter the lungs and secrete ______.
Definition
elastase
Term
Smoking inhibits ____ (from the liver) that normally cleaves and eliminates elastase.
Definition
a1-antitrypsin
Term
The end result of smoking with respect to the increase levels of elastase and decreased activity of a1-antitrypsin is ______.
Definition
Decreased elastiticity of the alveolus
Term
In Asthma Allergens occasionally cross _____ epithelium.
Definition
bronchial
Term
In Asthma Allergens that occasionally cross bronchial epithelium, bind to ______ and they releases histamine, leukotrienes, and chemotactic factors for other _______.
Definition
mast cells (IgE)

leukocytes
Term
In Asthma the Lymphocytes attracted by the chemotactic factors of the mast cells (IgE) enter the lungs and release ____ that causes contraction of smooth muscle at the ______.
Definition
IL-13

bronchioles
Term
Squamous cell carcinoma arises in the
epithelium of the _______ of the respiratory tube.
Definition
larger bronchi
Term
Large cell carcinoma is ______.
Definition
heterogeneous
Term
Adenocarcinoma arise primarily from the
____ in the bronchi
Definition
glands
Term
Small cell carcinomas (aka _____)
Definition
oat cell
Term
Small cell carcinomas (oat cell) are ___ in origin.
Definition
DNES
Term
Small cell carcinomas (oat cell) are most common in ______.
Definition
Most common in smokers
Term
3 types of Non-small cell carcinomas of the respiratory tube: _______.
Definition
Squamous cell carcinoma

Adenocarcinoma

Large cell carcinoma
Term
Components of the URINARY SYSTEM: ________.
Definition
1. Kidneys
2. Ureter
3. Bladder
4. Urethra
Term
URINARY SYSTEM functions in ______, removal of metabolic waste
Definition
Excretion
Term
URINARY SYSTEM functions in Conservation, _____ balance, and ______ balance.
Definition
acid/base

fluid/salt
Term
In the URINARY SYSTEM, the Endocrine functions in the secretion of ____ & _____.
Definition
renin

erythropoietin
Term
renin secreted by the urinary system functions in _____ regulation.
Definition
Bld Presure
Term
erythropoietin secreted by the urinary system functions in _____ production.
Definition
RBC
Term
What are the four major divisons of the Kidneys?
Definition
Hilus
Renal Sinus
Cortex
Medulla
Term
The ____ of the kidneys is a depression on the medial border through which the renal artery, vein and ureter pass.
Definition
Hilus
Term
The Renal Sinus of the kidneys is a cavity that opens at the ____.
Definition
hilus
Term
The Renal Sinus of the kidney contains: _______.
Definition
- renal pelvis
- major and minor calyces
- branches of the renal artery, vein and nerves
- loose connective tissue and fat
Term
The Cortex of the kidney contains: ______.
Definition
renal corpuscles
Term
renal corpuscles of the cortex of the kidney are subdivided into: ______
Definition
- outer cortical area
- renal columns
Term
Medulla aka (______)
Definition
medullary pyramids
Term
Medulla (medullary pyramids) Contains:_______
Definition
loops of Henle, collecting ducts, and tubules.
Term
Some of the tubules typically found in the medulla of the kidney sometimes “streak” up into the cortex as “_______".
Definition
medullary rays
Term
_______ are the functional unit of the kidney
Definition
Uriniferous tubules
Term
What makes up an Uriniferous tubule?
Definition
Nephron
Collecting tubule
Collecting duct
Term
_______ feeds into the ureter.
Definition
Renal Pelvis
Term
What feeds blood into the Renal corpuscle?
Definition
Afferent arteriole
Term
Through what does the blood flow out of the Renal corpuscle?
Definition
Efferent arteriole
Term
Glomerulus contains a capillary, which is layered by ______.
Definition
the Visceral layer (Podocytes) of a Bowman’s Capsule.
Term
Where are the Renal corpuscles found?
Definition
Cortex of the kidney
Term
A glomerulus is contained within a _______.
Definition
Renal Corpuscle
Term
podocytes surround _______
Definition
capillaries
Term
In between capillary's enothelium and the visceral (podocyte) layer of the bowman's capsule lies _______.
Definition
Basement membranes
Term
What type of capillary is found in a glomerus?
Definition
Fenestrated
Term
What forms the filtartion slits in the glomerus?
Definition
spaces in between the podocyte processes
Term
What type of collagen is the basement membrane of the glomerus composed of?
Definition
Type IV collagen
Term
Proximal Convoluted Tubule is located where in the kidney?
Definition
Cortex
Term
What is reabsorbed in the proximal convoluted tubules?
Definition
65% Na and H2O
100% glucose
amino acids
Vit C
Term
What is expelled into the kindey from the capillary?
Definition
H+, creatinine, &
contrast medium,
antibiotics
Term
_______ can be used to illuminate the kidneys and ureters for Xrays.
Definition
Intravenous pyelogram
Term
Main structural difference between proximal and distal convoluted tubules?
Definition
Proximal tubule has microvilli
Term
What side are the microvilli of the proximal convoluted tubule facing?
Definition
the lumen of the proximal convoluted tubule
Term
What side are the Mitochondria of the proximal convoluted tubule facing?
Definition
capillary side
Term
Where in the kidney is Loop of Henle located?
Definition
Medulla
Term
What type of epithlium lines the thin loop of henle?
Definition
Simple squamous epithelium
Term
The purpose of the Loop of Henle is to create a ______ in the renal pyramid (countercurrent multiplier system)
Definition
salt gradient
Term
Are there microvilli in the loop of henle?
Definition
No
Term
The high salt environment created by the loop of henle helps ____ water from the collecting tubules thereby concentrating the urine and saving water.
Definition
draw
Term
The tubules have a ______ eptihlium in the kidney.
Definition
cubodial
Term
Where can the Distal Convoluted Tubule be found in the kidneys?
Definition
Cortex
Term
Are Distal convoluted tubule ciliated?
Definition
No
Term
What is reabsorbed in the Distal convoluted tubules?
Definition
Na
Term
What is exrected from the capillary into the Distal Convoluted Tubule?
Definition
Ammonia, urea,
creatinine, and
hydrogen ion.
Term
Collecting Tubule is found where in the kidney?
Definition
Medulla
Term
Collecting duct is found where in the kidney?
Definition
Medulla
Term
What cells make up the collecting ducts/ tubules of the kidneys?
Definition
Principal cell

Intercalated cell
Term
_______ is the site of hormonal regulation in the collecting ducts/ tubules for the reabsorption of water and Na+.
Definition
Principal cell
Term
Intercalated cells of the collecting ducts/ tubules facilitate the exchange of _____ from the capillary into the lumen of the duct in exchange for the reabsorption of _______.
Definition
H+

Bicarbonate
Term
What hormone causes water to be reabsorbed back into the capillaries from the collecting ducts/ tubules through the principal cells?
Definition
ADH
Term
What hormone causes Na+ to be reabsorbed back into the capillaries from the collecting ducts/ tubules through the principal cells?
Definition
aldosterone
Term
Two hormones that principal cells respond to?
Definition
aldosterone and ADH
Term
Collecting Tubule/Duct are found where in the kidneys?
Definition
Renal Medulla
Term
Afferent/ Efferent arterioles are found where in the kidney?
Definition
Cortex
Term
Vasa recti are found where in the kidney?
Definition
Medulla
Term
Vasa recti function in the return of ____ & ______ back to the circulation
Definition
salt and H20
Term
_____ arterioles give rise to Vasa recti.
Definition
Efferent
Term
What makes up the Juxtaglomerular Apparatus?
Definition
Macula Densa & JG Cells
Term
Macula Densa does what?
Definition
Senses fluid and signals JG cells
Term
JG Cells are found in the _____ of the _______.
Definition
smooth muscle
Term
JG Cells secrete ____ that converts _____ to _____.
Definition
renin

angiotensinogin

angiotensin I
Term
_______ produce ____ converting enzyme that converts AI to AII
Definition
Capillaries in the lung and other
organs

angiotensin
Term
AII stimulates the _____ to release _____ that causes reabsorption of sodium.
Definition
adrenal cortex

aldosterone
Term
Sympathetic nervous system _____ urinary output.
Definition
decreases
Term
The ureter is lined by ____ epithelium.
Definition
transitional
Term
Beneath the transitional epithelium of the ureters lies a sleeve of _____ connective tissue.
Definition
loose
Term
Beneath the transitional epithelium of the ureters lies a sleeve of loose connective tissue. Outside this sleeve are _______.
Definition
two layers of smooth muscle (inner longitudinal, outer circular).
Term
randomly arranged layers of smooth
muscle of the bladder are?
Definition
(IL, MC and OL)
Term
The tongue is composed of ___ muscle running in all 3 planes.
Definition
skeletal
Term
The Tongue is covered ______ epithelium that is modified into surface specializations called papillae.
Definition
stratified squamous
Term
Types of papillae: ______.
Definition
circumvallate
fungiform
filiform
foliate
Term
Which papilla are taste buds concentrated within?
Definition
Circumvallate papilla
Term
Taste buds are ____“organs” concentrated on the _____ of the tongue and also located throughout the oral cavity.
Definition
receptor

papillae
Term
Can taste bud regenerate?
Definition
Yes
Term
Normal life cycle of taste buds is to be replace every _____ days.
Definition
10-14
Term
Taste buds can detect only _ tastes: ______.
Definition
5

bitter, salty, sweet, sour and umami (MSG)
Term
The receptor mechanisms of taste buds result in _____ of the receptor cell resulting in the release of neurotransmitters that activate dendrites of nerves that synapse with the taste cell.
Definition
depolarization
Term
The sensory cell of a taste bad is aka (______ cell)
Definition
neuroepithelial
Term
The sensory cells (neuroepithelial cell) of taste buds are flanked by ______ cells of the taste bud also.
Definition
Supporting cells
Term
______ make the enamel.
Definition
Ameloblasts
Term
______ make the dentin.
Definition
Odontoblasts
Term
Odontoblast processes are in _______.
Definition
dentinal tubules
Term
Where are the Odontoblast nuclei found?
Definition
In the pulp cavity (Center of the tooth)
Term
What holds the tooth in its socket?
Definition
Periodontal ligament
Term
Salivary Glands (two types): ______.
Definition
Small glands

Large Glands
Term
Which salivary glands are constantly secreting?
Definition
Small glands
Term
Where are the Small Salivary glands located?
Definition
under mucosal lining.
Term
Large Salivary Glands secrete when?
Definition
Under stimuli
Term
The three Large Salivary Glands: _______.
Definition
a. parotid
b. submandibular gland
c. sublingual gland
Term
______, _____, _____, and ______ are present in saliva to kill the bacteria.
Definition
lysozyme, IgA, peroxidase, and lactoferrin
Term
Amylase function in saliva is for ______.
Definition
digestion of carbohydrates
Term
Amylase is secreted from which gland?
Definition
parotid
Term
Some proteins in the saliva aggregate to form a protective layer over the ____ called a ______.
Definition
teeth

pellicle film
Term
Ionic composition of the saliva fluid is regulated by _____ from the _____ gland that acts on the ducts.
Definition
aldosterone

adrenal
Term
Glands can be composed of ____-staining cells that secrete mucus and/or _____-stained cells that secrete a more watery
Definition
light

dark
Term
Parotid gland is made up of ducts and _____ under LM.
Definition
Serous acini Glands only
Term
Sublingual gland is made up of ducts and _____ under LM.
Definition
Mucous acini only
Term
Submandibular gland is made up of ducts and _____ under LM.
Definition
Mucous acini and Serous acini
Term
Serous demilunes are ______ seen in _____ glands.
Definition
an artifact of tissue preparation

Submandibular
Term
Does saliva contain antibiotic substance?
Definition
yes
Term
Layers of the guy tube: ______.
Definition
Mucosa
Submucosa
Muscularis externus
Term
What makes of the mucosa of the gut tube?
Definition
Epithelium
Lamina propria
Muscularis mucosa
Term
The Muscularis externus of the gut tube has ____ layers.
Definition
Inner circular
Outer longitudinal
Term
Are their crypts or Villus in the esophagus?
Definition
No
Term
Are their crypts or Villus in the stomach?
Definition
just crrypts
Term
Are their crypts or Villus in the SI?
Definition
Both
Term
Are their crypts or Villus in the Colon?
Definition
Just crypts
Term
The Esophagus Epithelium is _______.
Definition
stratified squamous nonkeratinized
Term
Other than the esophagus the Epithelium of the gut tube is?
Definition
simple columnar
Term
Cardiac glands in the ______ of the esophagus secrete mucus (near attachment of the esophagus to the stomach.
Definition
lamina propria
Term
Esophageal glands in _____ of the esophagus secrete mucus and serous secretions.
Definition
submucosa
Term
Muscularis externus of the esophagus is _____ in composition? (Not layers)
Definition
a. upper one-third - striated muscle
b. middle one-third smooth & striated
c. lower one-third smooth muscle
Term
epithelium of the stomach is?
Definition
Simple columnar
Term
In the mucosa of the stomach, the lamina propria contains ______.
Definition
gastric glands
Term
The Stomach muscularis externus has _ layers.
Definition
3
Term
5 types of Gastric glands: _______.
Definition
mucous cells
chief cells
parietal cells
enteroendocrine cells
stem cells
Term
mucous cells of the gastric glands of the stomach do what?
Definition
secrete mucus
Term
chief cells of the gastric glands of the stomach do what?
Definition
secrete pepsinogen
Term
parietal cells of the gastric glands of the stomach do what?
Definition
secrete HCl & intrinsic factor
Term
enteroendocrine cells of the gastric glands of the stomach do what?
Definition
DNES cells that secrete a variety of paracrine and endocrine factors. For example, gastrin stimulates HCl production.
Term
Gastric glands of the stomach are regulated by: ________.
Definition
psychic factors, direct food contact and hormones.
Term
surface expansion of the SI is accompished by way of: _______.
Definition
plicae circulares, villi and microvilli
Term
What layers are pinched up in the plicae circulares?
Definition
submucosa
muscularis mucosa
lamina propria
epithelium
Term
what is the outermost layer of the gut tube past the muscularis externus?
Definition
serosa
Term
What are projected off the plicae circulares?
Definition
Villi
Term
Main characteristic of SI?
Definition
plicae circulares
Term
Epithelium is comprised of _____ absorptive cells that have abundant microvilli in the SI.
Definition
columnar
Term
_____ cells (stained reddish) can be found in the base of the crypts in the SI.
Definition
Paneth
Term
regional specializations of the SI?
Definition
Brunners glands in duodenum
Plicae circulares in jejunem
Peyer's patches in ileum
Term
Brunners glands in _____ secrete an ______ to neutralize.
Definition
duodenum

alkaline solution
Term
Plicae circulares are found in the _______ and their function is to ______.
Definition
in jejunem

expand SA
Term
Peyer's patches are found in the ______ and _______.
Definition
ileum

are concentrations of lymphocytes and other immune cells
Term
What layer of the gut tube are brunners glands found?
Definition
Submucosa
Term
______ of epithelium interact with Peyer's Patch lymphocytes.
Definition
M cells
Term
M cells function by ______.
Definition
Taking antigens from the lumen of the SI and giving them to Antigen Presenting Cells to present to lymphocytes.
Term
M cells are found what layer of the gut tube?
Definition
Mucosa (Epithelium)
Term
Peyer's Patch transfer _____ across the epithelium of the SI to interact with the antigens.
Definition
Antibodies
Term
In the villus _____ of the lymphatics system can be found in the lamina propria to collect chylomicrons.
Definition
central lacteal
Term
Where are the lymphatic vessels found around the SI?
Definition
Submucosa
Term
Large Intestine epithelium is _______
with ____ cells interspersed.
Definition
simple columnar

goblet
Term
where are lymphatic nodules found in the LI?
Definition
Lamina Propria
Term
outer longitudinal layer of the muscularis externus forms the ______ of the LI.
Definition
tenia coli
Term
Tenia coli are what?
Definition
thickenings of the outerlongitunial muscle layer of the muscularis externus in the LI
Term
Appendix is similar to colon but obviously much ______ and has more ______.
Definition
smaller

germinal centers
Term
The GI track receives _______ input to smooth muscle and glands.
Definition
both sympathetic and parasympathetic
Term
For most systems of the GI track, ______ stimulate and _____ inhibit.
Definition
parasympathetics

sympathetics
Term
For the GI Tract the cell bodies of the _______ fibers and associated interneurons can be seen in clusters called "ganglia".
Definition
parasympathetic postganglionic
Term
In the muscularis externus the parasympathetic postganglionic ganglia are called the _____ plexus and in the submucosa they are called the _____ plexus.
Definition
myenteric

submucosal
Term
The gut can function in the absence of connections to the CNS and therefore, the nervous system within the gut is sometimes classified as the "____ nervous system".
Definition
enteric
Term
Liver cell (_____)
Definition
Hepatocyte
Term
Hepatocyte synthesizes a wide variety of _______ proteins.
Definition
plasma proteins
Term
Hepatocyte secrete _____.
Definition
bile
Term
Hepatocytes store _____ & ____.
Definition
glycogen and triglycerides
Term
Hepatocytes degrade ______.
Definition
chylomicrons
Term
Hepatocytes degrade chylomicrons into: ________ .
Definition
cholesterol, phospholipids & ketone bodies.
Term
Hepatocytes form _______ through genesis.
Definition
Glucose
Term
Hepatocytes detoxifies many drugs and toxins by _____, _____, and ______ in the _____.
Definition
oxidation, methylation and conjugation

SER
Term
Can heaptocytes regenerate?
Definition
Yes
Term
Hepatocytes can become enlarged, and store _____ in cirrhosis.
Definition
lipids
Term
What feed into a hepatic sinusoid?
Definition
Branch of Portal v
&
Branch of Hepatic artery
Term
Hepatic Sinusoid feeds into ______.
Definition
Central Vein
Term
Hepatocytes line the ______.
Definition
Hepatic Sinusoid
Term
What is greater in blood flow, the branch of the hepatic artery or the portal vein?
Definition
3x more from portal vein
Term
Portal System is two ______ connected by a _______.
Definition
capillary beds

vein (portal vein)
Term
Other than hepatocytes what are three cells of the liver?
Definition
Kupffer cells
Stellate cells (Ito)
NK cells (Pit cells)
Term
Kupffer cells are ______ that wander around on the surface of the endothelial lining of the _______, doing what?
Definition
macrophages

hepatic sinusoids

phagocytosing foreign material
Term
Kupffer cells phagocytose foreign material & also engulf _______.
Definition
old red blood cells
Term
Stellate cells (Ito) are cells of the liver that?
Definition
store fat and vitamin A in large amounts.
Term
Stellate cells (Ito) are involved in what disease process?
Definition
cirrhosis of the liver
Term
Stellate cells (Ito) can aid in the causation of cirrhosis of the liver, because they are important in producing ______.
Definition
extracellular materials
Term
Stellate cells (Ito) are found where in the liver?
Definition
space of Disse
Term
Where is the space of Disse?
Definition
Between the enothelial lining of the hepatic Sinusoid and the row of neighboring Hepatocytes
Term
NK cells (Pit cells) function as what in the liver?
Definition
Natural killer cel
Term
Stellate cells aka (____)
Definition
Ito
Term
In what direction does lymph flow?
Definition
Away from the central vein (opposite direction as blood) in the ECM to a lymphatic vessel
Term
In what direction does bile flow?
Definition
Opposite of blood
Term
What does bile flow into from the Hepatocytes?
Definition
Branch of the bile duct
Term
What lies at the center of a classic lobule organization?
Definition
Central vein
Term
Under LM what is the largest of the portal triad?
Definition
The Portal Vein
Term
What makes up the portal triad?
Definition
Bile Duct
portal Vein
Hepatic artery
Term
The bile duct epithelium?
Definition
simple cuboidal
Term
The bile flows from hepatocytes through the ______ to the bile duct.
Definition
Bile Canaliculus in between heaptocytes
Term
Gall Bladder Stores ____ of bile.
Definition
50 ml
Term
Gall Bladder has a _____ mucosa.
Definition
highly folded mucosa
Term
Gall Bladder contraction is stimulated by _______.
Definition
cholecystokinin (CCK)
Term
______ stimulates CCK production.
Definition
Fat in food
Term
where is CCK produced?
Definition
Duodenum
Term
What cell in the Duodenum produces CCK in responds to detection of fatty foods?
Definition
Enteroendocrine cell
Term
Acini cell types of the Exocrine pancreas: ______.
Definition
serous cell
centroacinar cell
Term
serous cell secrete?
Definition
trypsinogen, chymotrypsinogen
carboxypeptidase, ribonuclease
deoxyribonuclease, elastase,
amylase, and others
Term
centroacinar cells secrete?
Definition
bicarbonate
Term
serous cell secrete in response to?
Definition
Cholecystokinin
Term
centroacinar cells secrete in response to?
Definition
Secretin
Term
________ cells of the _______ produce secretin.
Definition
Enteroendocrine cells

Duodenum
Term
________ cells of the _______ produce CCk.
Definition
Enteroendocrine cells

Duodenum
Term
LM of Pancreas show clusers of ______ & ______.
Definition
Acini and Islet of Langerhans
Term
In the Pancreas the acinus stains _____.
Definition
Dark
Term
In the Pancreas the centroacinar cells stains _____.
Definition
Lightly
Term
_____ ARE THE SIGNALING CELLS OF THE NS.
Definition
NEURONS
Term
NERVE TISSUE CONTAINS TWO DISTINCT CELL TYPES: ________.
Definition
NEURONS AND GLIA
Term
Neurons communicate with other neurons, ______, ______, or _____ cells.
Definition
muscle, gland or fat cells
Term
Information is transmitted by neurons via _____ & _____ signals.
Definition
electrical and chemical
Term
Adult neurons do not ______.
Definition
divide
Term
mature neurons that die are not _____.
Definition
replaced
Term
Cell body ______ and integrates information
Definition
Receives
Term
Cell membrane functionally important of the Cell body, because it is selectively permeable to certain ions, allowing it to be _____ excitable
Definition
electrically
Term
Processes of a neuron consist of _____ axon and _____ dendrites that are structurally
Definition
one

one or more
Term
Are neurons polarized?
Definition
Yes, Dendrite end and Axon end
Term
Axons are tube-like processes specialized to _____ information.
Definition
transmit
Term
Axon: parts: ______.
Definition
hillock, initial segment, axolemma, terminals
Term
_____ AXONS ARE MYELINATED, OTHERS ARE ____.
Definition
SOME
NOT
Term
Myelinated axons are wrapped with compact _____ membranes in a _____ fashion.
Definition
glial cell

spiral
Term
Myelin is composed mostly of ______, and is therefore predominantly ______, which gives a white appearance to freshly cut nerve tissue and engendering the term ‘white matter’.
Definition
cell membranes
phospholipid
Term
Myelin is produced by ______ in PNS and by ______ in CNS.
Definition
Schwann cells

oligodendrocytes
Term
Myelin insulates axons, provides faster (_______) conduction.
Definition
saltatory
Term
Where does saltatory conduction occurs where?
Definition
Nodes of Ranvier
Term
Myelin stains well with _____ stains such as _____, useful in distinguishing white matter from gray matter.
Definition
heavy metal

osmium
Term
What are Nodes of Ranvier?
Definition
are spaces or gaps between 2 adjacent segments of myelin on an axon
Term
Unmyelinated nerves 'sit' in an _______, but there is no ______.
Definition
indentation/pocket of a Schwann cell membrane

compact wrapping of glial membranes
Term
Unmyelinated axons transmit action potentials (signals) more _____ than do myelinated axons.
Definition
slowly
Term
The Nucleus of neurons is filled with Euchromatin or Heterochromatin?
Definition
Euchromatin
Term
Nucleolus in neurons gives a _____ characteristic appearance.
Definition
‘bulls-eye’ pattern
Term
Nucleolus of neurons stain strongly with _______.
Definition
basic (Nissl) dyes
Term
Nissl bodies in neurons are Nissl substance, _____, and _____.
Definition
RER and polysomes
Term
Nissl bodies responsible for ______.
Definition
protein synthesis
Term
_______ stain strongly with basic dyes, the basis of ‘Nissl’ stains.
Definition
Attached ribosomes (RNA)
Term
Nissl bodies are present in ______ & ______, but absent from _____.
Definition
somas and proximal dendrites

axons
Term
Smooth ER of a neuron is continuous with ______.
Definition
RER
Term
Smooth ER of a neuron helps to regulate ______
Definition
calcium storage
Term
The Cytoskeleton of a neuron is composed of 3 distinct organelles: ______.
Definition
Neurotubules
Neurofilaments
Microfilaments
Term
Neurotubules (_______).
Definition
microtubules
Term
Neurotubules are found where in the neuron?
Definition
Throughout
Term
Neurotubules are aligned ______ in axons and dendrites.
Definition
longitudinally
Term
Neurotubules are stabilized by _______.
Definition
microtubule associated proteins (MAPs)
Term
Neurotubules function in ______ transport.
Definition
axon transport
Term
Neurofilaments are a biochemically distinct class of _______ in neurons.
Definition
intermediate filaments
Term
Neurofilaments are aligned ______ in ______.
Definition
longitudinally

processes
Term
Neurofilaments are abundant in ______.
Definition
large diameter axons.
Term
Neurofilaments are _____ in stability.
Definition
Very stable
Term
Neurofilaments are very stable, function in maintaining the ______.
Definition
caliber of large-diameter neurons
Term
Microfilaments (______)
Definition
actin filaments
Term
Microfilaments forms a meshwork where in nerve cells?
Definition
under the plasma membrane
Term
Microfilaments are present throughout the neuron, but abundant in _______.
Definition
axon terminals and growth cones
Term
Microfilaments function in _____ transport and ______ of processes (axonal pathfinding).
Definition
"local" axonal

extension
Term
Anaerobic or Aerobic metabolism in neurons?
Definition
Aerobic
Term
Vesicles are Abundant in ______ of neurons, they are termed.
Definition
axon terminals

synaptic vesicles
Term
_______ granules accumulate in aging neurons.
Definition
Lipofuscin
Term
Most neurons in CNS are _____polar
Definition
multi
Term
motoneurons are _____polar and located in the _____ horn of spinal cord
Definition
multi

ventral
Term
In PNS Multipolar neurons are neurons in _______.
Definition
autonomic ganglia
Term
Pseudounipolar (_____).
Definition
unipolar
Term
Pseudounipolar (unipolar) neurons are mostly in _____NS.
Definition
PNS
Term
Pseudounipolar (unipolar) neurons have a 'T' shaped process with one branch going to ______ in the periphery, the other process synapses in the ____.
Definition
sensory end organs

CNS
Term
Pseudounipolar (unipolar) neuron cell bodies are in _____ & ______.
Definition
dorsal root ganglia (DRG) and cranial ganglia.
Term
Bipolar have ____ processes.
Definition
2
Term
Bipolar are mostly located in ______.
Definition
special sense organs such as eye and ear
Term
Axons lack _____.
Definition
RER
Term
Axon transport requires intact _____ & _____ of the cytoskeleton.
Definition
microtubules and microfilaments
Term
Molecular motors of Axonal Transport: kinesin in _____grade and dynein in _____grade direction (for long-distance transport on ______)
Definition
antero

retro

microtubules
Term
In axonal transport various _____ motor proteins are used for local trafficking on ________.
Definition
myosins

microfilaments
Term
Anterograde axonal transport carries from ______ to _______.
Definition
neuron cell body to axon terminal
Term
Retrograde axonal transport carries from ______ to _______.
Definition
terminal to cell body
Term
In humans, synapses are usually _____, occasionally ______.
Definition
chemical

electrical
Term
Neurotransmitters are _____ signals.
Definition
Chemical
Term
Neurotransmitters (chemical signals) are released by ______ at synapses when an _______ passes down axon to terminal.
Definition
exocytosis

action potential
Term
Neurotransmitters cross synaptic gap and alter ______ of post-synaptic cell membrane.
Definition
electrical properties
Term
EM Characteristics of Chemical Synapse: ______
Definition
1. Presynaptic component (axon terminal).
2. Synaptic cleft.
3. Postsynaptic component (another neuron, muscle, gland or fat cell).
Term
_______ ARE THE SUPPORTING CELLS OF THE NS.
Definition
NEUROGLIAL CELLS
Term
More glial cells or neurons?
Definition
Glial (3-5x more)
Term
What are larger, glial or neurons?
Definition
Neurons
Term
Glia do not ______ action potentials but do have ______ potentials.
Definition
propagate

resting
Term
Glia perform many 'support' functions including _____ formation, structural support, repair of NS.
Definition
myelin sheath
Term
mature glia _____ the ability to divide.
Definition
retain
Term
most malignant tumors of the NS are ____ in origin.
Definition
glial
Term
Glia cells in PNS: ______.
Definition
Schwann Cells (neurolemma cell)

Satellite cells
Term
Schwann Cells (neurolemma cell) functions in _____.
Definition
providing myelin sheaths around nerve fibers
Term
Do Schwann Cells or Oligodendrocytes have the ability to mylenate more than one axon?
Definition
Oligodendrocytes
Term
________ cells function in regeneration in the PNS following injury by providing scaffolding and growth factors for regrowing axons.
Definition
Schwann Cells (neurolemma cell)
Term
Satellite cells specialized glial cells found where?
Definition
in dorsal root ganglia
Term
Satellite cells in the DRG, _____ surround neurons, thus _______.
Definition
Completely

preventing synapses on DRG
Term
In ________, the glial ‘capsule’ is incomplete, to allow pre-synaptic nerves to synapse on post-synaptic neurons.
Definition
autonomic ganglia
Term
Cells are organized into ______.
Definition
tissues
Term
Tissue are organized into _____.
Definition
organs
Term
There are 5 tissues: ________.
Definition
Epithelium
Connective Tissue
Muscle
Nerve
Lymphatics
Term
Epithelium Functions: _______
Definition
Protection - skin
Secretion - endocrine and exocrine cells
Sensation - olfactory epithelium
Contractility - myoepithelial cells (Mammary Gland)
Absorption - intestinal absorptive cells
Term
General Characteristics of Epithelia: Cells are _____ together.
Definition
close

(often touching)
Term
Epithelia can be derived from: _______
Definition
endoderm, mesoderm and ectoderm.
Term
Epithelia Produce a thin layer of extracellular matrix called the ______ that remains closely associated with the epithelial cells.
Definition
basal lamina
Term
Some types of Epithelia can _______.
Definition
regenerate
Term
Some types of Epithelia are ______.
Definition
innervated
Term
Two morphological forms of epithelia: _______
Definition
Layers of cells that are avascular

Clumps of cells that are very vascular
Term
Clumps of epithelia cells that are very vascular, examples: _______.
Definition
endocrine and exocrine cells
Term
Layers of epithelia cells that are avascular, examples: _____.
Definition
lining of organs and surface of skin
Term
Epithelial Layers Named according to the ________ & _______.
Definition
number of layers

shape of the cells at the surface
Term
Simple Epithelial means _______.
Definition
one layer of cells
Term
Stratified Epithelial means _______.
Definition
more than one layer
Term
Pseudostratified Epithelial means _______.
Definition
looks like many layers because the nuclei are at different locations (Staggered)
Term
Squamous cells are ______.
Definition
flat (fried egg)
Term
Cuboidal cells are ______.
Definition
square
Term
Columnar cells are ______.
Definition
rectangles
Term
Transitional cells are _____.
Definition
spherical when the organ they line is relaxed and flattened when the organ they line is distended
Term
Example of Transitional cells is ______.
Definition
urinary bladder
Term
Simple squamous are found where?
Definition
Capillaries
Term
Thyroid has ____ epithelial.
Definition
Simple cuboidal
Term
Simple columnar Epithelial is found where?
Definition
Intestine
Term
Stratified squamous Epithelial is found where?
Definition
Skin
Term
Stratified columnar Epithelial is found where?
Definition
Urethra (2 layers of columnar)
Term
Stratified cuboidal Epithelial is found where?
Definition
Ducts of glands (2 layers of cubodial)
Term
Pseudostratified columnar Epithelial is found where?
Definition
Trachea
Term
Simple Squamous Epithelial is called "______" when it lines vessels.
Definition
endothelium
Term
Simple Squamous looks like a ______.
Definition
fried egg
Term
What lays below the Epithelial?
Definition
Basal Lamina (ECM)
Term
Cells are neither truly cuboidal nor columnar, but ______ instead
Definition
polygonal
Term
In Pseudostratified Columnar Epithelium all cells _______ but only some _______.
Definition
touch the basal lamina

reach the lumen/free surface
Term
Pseudostratified columnar can have ____, _____ and/or _____ cells
Definition
cilia

stereocilia

goblet
Term
Goblet cells do what?
Definition
secretes mucus
Term
In a simple layer of Epithelium all the cells must _______.
Definition
Touch the basal lamina
Term
Basal Lamina composed of ______ that is 20-100 nm thick and is produced by ______, and a few other cell types (muscle, Schwann cells, adipocytes).
Definition
ECM

epithelia
Term
Two major morphological subdivisions of Basal Lamina: ______.
Definition
lamina densa

lamina lucida
Term
_______ epithelium can have keratin or can be nonkeratinized.
Definition
Stratified squamous
Term
lamina ______ has collagen as part of its composition.
Definition
lamina densa
Term
lamina densa is composed of _____ type of collagen.
Definition
type IV collagen
Term
lamina densa is composed of: _______.
Definition
laminin, type IV collagen, fibronectin, proteoglycans, glycosaminoglycans.
Term
lamina lucida are _____ of transmembrane proteins that are visible as a ____ area mainly because of fixation artifact (shrinkage).
Definition
projections

clear
Term
Reticular lamina has _____ type collagen.
Definition
type III collagen
Term
Below the Basal Lamina there is _____ type collagen and then the reticular lamina which is type III collagen.
Definition
Type VII collagen
Term
Basal laminae Stains ______ with PAS.
Definition
red/pink
Term
The basal lamina is easily seen with the ____ using routine stains.
Definition
TEM
Term
Sometimes two adjacent layers of cells will each make a basal lamina. When these two layers are fused it is called a _____.
Definition
basement membrane
Term
Functions of the basal lamina (BL) provides a "_______" for the cells.
Definition
home address
Term
Cells attach to the BL by transmembrane proteins called ______.
Definition
integrins
Term
Cells attach to the BL by transmembrane proteins called integrins. The integrins attach to _____ molecules in the BL.
Definition
laminin
Term
Proteins, proteoglycans and GAGs of the basal lamina give kidneys the specialized ability to ______.
Definition
filter
Term
Proteins, proteoglycans and GAGs of the basal lamina can be specialized to cause cells to differentiate and become ______.
Definition
polarized
Term
The basal lamina Surrounds and ______ epithelia. This boundary is ignored by ______.
Definition
compartmentalizes

Malignant cells
Term
The Lamina lucida is found between _____ and _____.
Definition
Lamina densa and bottom of the epithelial cells
Term
Basal laminae are _____ not ropes.
Definition
sheets
Term
The Basal laminae ______ the Epithelia.
Definition
polarizes
Term
Polarization of Epithelia by the basal laminae leads to the creation of two domains: _____ & _____.
Definition
Apical Domain

Basal Domain
Term
Epithelial cells can be organized into
clumps of cells that are highly vascular: _____ & _____.
Definition
1. Exocrine glands
2. Endocrine glands
Term
Clump Epithelial Cells, vascular or avascular?
Definition
vascular
Term
Layered Epithelial, vascular or avascular?
Definition
avascular
Term
Endocrine and exocrine epithelia are highly ______.
Definition
vascular
Term
Exocrine Glands can be ____ celled or comprised of ____ cells.
Definition
single

many
Term
Exocrine Glands are associated with a _____.
Definition
basal lamina.
Term
Exocrine glands secrete by three general modes: ______.
Definition
merocrine
apocrine
holocrine
Term
In merocrine secretion by Exocrine glands, ________.
Definition
merely the secretion is released
Term
In apocrine secretion by Exocrine glands, ________.
Definition
a part of the cell membrane packages secretion
Term
In holocrine secretion by Exocrine glands, ________.
Definition
whole cell becomes part of the secretion
Term
Mammary glands use _____ secretion.
Definition
Apocrine
Term
sebaceous glands of skin use _____ secretion.
Definition
Holocrine
Term
sweat glands use _____ secretion.
Definition
Merocrine
Term
Single-cell Exocrine Gland classic example ____ cell.
Definition
Goblet
Term
Goblet cell is a mucus-secreting cell found primarily in the epithelial lining of the _____ & _____ systems.
Definition
respiratory and digestive
Term
Mucin of Goblet Cells is secreted primarily by ____ mechanisms.
Definition
merocrine
Term
Secretion of Mucin by Goblet cells can be stimulated by: ________.
Definition
smoke, cold viruses, COPD, asthma, and acid (e.g. digestive system).
Term
Goblet cells have receptors for _____ & _____ that also regulate secretion.
Definition
IL-4 and IL-13
Term
The Lamina lucida is found between _____ and _____.
Definition
Lamina densa and bottom of the epithelial cells
Term
Basal laminae are _____ not ropes.
Definition
sheets
Term
The Basal laminae ______ the Epithelia.
Definition
polarizes
Term
Polarization of Epithelia by the basal laminae leads to the creation of two domains: _____ & _____.
Definition
Apical Domain

Basal Domain
Term
Epithelial cells can be organized into
clumps of cells that are highly vascular: _____ & _____.
Definition
1. Exocrine glands
2. Endocrine glands
Term
Clump Epithelial Cells, vascular or avascular?
Definition
vascular
Term
Layered Epithelial, vascular or avascular?
Definition
avascular
Term
Endocrine and exocrine epithelia are highly ______.
Definition
vascular
Term
Exocrine Glands can be ____ celled or comprised of ____ cells.
Definition
single

many
Term
Exocrine Glands are associated with a _____.
Definition
basal lamina.
Term
Exocrine glands secrete by three general modes: ______.
Definition
merocrine
apocrine
holocrine
Term
In merocrine secretion by Exocrine glands, ________.
Definition
merely the secretion is released
Term
In apocrine secretion by Exocrine glands, ________.
Definition
a part of the cell membrane packages secretion
Term
In holocrine secretion by Exocrine glands, ________.
Definition
whole cell becomes part of the secretion
Term
Mammary glands use _____ secretion.
Definition
Apocrine
Term
sebaceous glands of skin use _____ secretion.
Definition
Holocrine
Term
sweat glands use _____ secretion.
Definition
Merocrine
Term
Single-cell Exocrine Gland classic example ____ cell.
Definition
Goblet
Term
Goblet cell is a mucus-secreting cell found primarily in the epithelial lining of the _____ & _____ systems.
Definition
respiratory and digestive
Term
Mucin of Goblet Cells is secreted primarily by ____ mechanisms.
Definition
merocrine
Term
Secretion of Mucin by Goblet cells can be stimulated by: ________.
Definition
smoke, cold viruses, COPD, asthma, and acid (e.g. digestive system).
Term
Goblet cells have receptors for _____ & _____ that also regulate secretion.
Definition
IL-4 and IL-13
Term
Simple Multicellular Exocrine Glands have _____.
Definition
one duct
Term
COMPOUND Multicellular Exocrine Glands have _____.
Definition
multiple ducts
Term
Cells of the ducts are different from cells of the _____ and can have functional and pathological importance.
Definition
acinus
Term
Are both the cells of the duct and acinus epithilia?
Definition
Yes
Term
_____ cell often becomes malignant in mammary gland
Definition
Duct
Term
_____ cell becomes malignant in prostate.
Definition
Acinar
Term
Exocrine glands making a mucous substance will stain _____.
Definition
light
Term
Exocrine glands making a watery substance will stain _____.
Definition
dark
Term
_______ are commonly described as serous cells that secrete into an acinus that is made of mostly mucous secreting cells.
Definition
Serous demilunes
Term
Serous is ____ based.
Definition
water
Term
All endocrine glands and their functional cells are made by _______.
Definition
epithelial cells
Term
Multicellular Endocrine Glands are Groups of epithelial cells that secrete ______ into ______ without a _______.
Definition
hormones into the blood stream

duct system
Term
Paracrine Cells that are Epithelial cells secrete their product into the ______ where it influences ______.
Definition
intercellular space

neighboring cells
Term
Epithelial cells can make paracrine _____.
Definition
factors
Term
All sheets of epithelia have _____.
Definition
stem cells
Term
Epithelial cells in the ____ & _____ have a more restricted ability to regenerate
than epithelial cell layers and with some even completely lacking this ability.
Definition
Exocrine and
endocrine glands
Term
Renewal rates of Epithelial vary depending upon the ______.
Definition
location
Term
Epithelial cells of the small intestine live about __ days.
Definition
5
Term
Epithelial cells of skin live about __ days.
Definition
28
Term
Epithelial cells can change structure and function to adapt to a changing ______.
Definition
local environment.
Term
Epithelial cells can change structure and function to adapt to a changing local environment. This process is called _____.
Definition
metaplasia
Term
The trachea normally has a _____ epithelium with cilia and ____ cells.
Definition
pseudostratified

goblet
Term
The trachea of smokers is lined by ________ epithelium instead of pseudostratified, with patches of _______ epithelium and large hyperactive _____ cells.
Definition
stratified squamous

pseudostratified

goblet
Term
The changing of a smokers epithelium from pseudostratified to _______ with pseudostratified patches, is an example of ______ process.
Definition
stratified

Metaplasia
Term
Two cell types that are commonly described with epithelia that don't fit into the layer or clump classification are: ______.
Definition
DNES cells
Myoepithelial cells
Term
_________ (DNES)
Definition
Diffuse Neuroendocrine System
Term
Diffuse Neuroendocrine System (DNES) Secrete _____ or _______.
Definition
peptide hormones or biogenic amines
Term
Diffuse Neuroendocrine System (DNES) secreted peptide hormones or biogenic amines generally act on cells in _____.
Definition
the local area.
Term
Diffuse Neuroendocrine System (DNES) aka _______.
Definition
APUD cells
Term
Diffuse Neuroendocrine System (DNES) are also called APUD cells because they take up and ______ ______ precursors
Definition
decarboxylate

amine

(Amine Precursor Uptake and Decarboxylation)
Term
Production of ______ from Tryptophan by amine precursor uptake and decarboxylation
(APUD)
Definition
serotonin
Term
Myoepithelial cells are _____ cells found around the outside of _____ glands causing the acini to ______.
Definition
Contractile

multicellular Exocrine

Contract
Term
Myoepithelial cells help multicellular Exocrine to _______, by contracting and squeezing the _____.
Definition
expel secretory products

acini
Term
Myoepithelial cells are located between the ______ & _____.
Definition
basal lamina and the acinar cells
Term
Myoepithelial cell markers are rarely found in ______ that have become malignant.
Definition
mammary glands
Term
______ is a general term for cancers of epithelial origin (both glandular epithelium and epithelial layers).
Definition
Carcinoma
Term
Some epithelial tumors can be identified by the presence of _____ using immunolocalization techniques.
Definition
cytokeratins
Term
Cancer in _____ is rarely of epithelial origin while 90% of tumors in individuals _____ are epithelial derived.
Definition
children

over 45
Term
Kinocilia means _____ cilia.
Definition
motile
Term
______ form a brush border of epithelial cells
Definition
Microvilli
Term
Microvillar arrays may be ____ with respect to densit, and _____ with respect to order.
Definition
sparse or dense

well-ordered or randomly dispersed
Term
Phagcytose uses ____villi.
Definition
Microvilli
Term
Microvillar brush border has a ______ for its coat.
Definition
glycocalyx
Term
Stereocilia do not have _____, as seen in LM.
Definition
axonemes
Term
Microvilli main function is _____.
Definition
Surface expansion
Term
What is longer microvilli or stereocilia?
Definition
stereocilia
Term
Stereocilia distribution is very _______.
Definition
restricted (not found in many places)
Term
Are Stereocilia cilia?
Definition
No
Term
Stereocilia have a core of ______
Definition
Microfilaments
Term
Do Kinocilia (motile cilia) have axonemal cores?
Definition
Yes
Term
_____ are at the bases of Kinocilia (motile cilia) under the PM.
Definition
Basal Bodies
Term
Kinocilia (motile cilia) need ____ in order to beat.
Definition
Dynenin
Term
Cilia are found in the ____ system.
Definition
Resp
Term
Cilia are encased in ______ in the respiratory system.
Definition
Mucus
Term
In addition to axonemes of Kinocilia (motile cilia) found in the respiratory system there are also axonemes in _____.
Definition
sperm
Term
Different tissue types use different strategies to _____ forces that would disrupt them.
Definition
counter
Term
ECM _____ mechanical stress and tension.
Definition
directly bears
Term
In the epithelium mechanical stress is transmitted from ______ to ______, by ______.
Definition
from cell to cell

cytoskeletal filaments anchored to the ecm or by cell-cell adhesions
Term
Cell-cell junctions types: _______.
Definition
Zonula occludens
Zonula adherens
Macula adherens
Gap junction
Term
Cell-extracellular matrix contacts (Type of Junction) types: ______.
Definition
Focal contacts.
Hemidesmosomes.
Term
Zonula occludens (______)
Definition
tight junction
Term
Zonula adherens (______)
Definition
adhering junction
Term
Macula adherens (______)
Definition
spot junction
Term
Gap junction (______)
Definition
nexus
Term
Which cell cell junctions encompass the cells and which ones do not?
Definition
Do encompass- Zonula occludens
Zonula adherens
Do Not Encompass- Macula adherens
Term
Most apically oriented junction?
Definition
Zonula Occludens (Tight Junction)
Term
Function of z. occludens (tight jct.) is to act as a ______.
Definition
Physical Barrier
Term
The *sealing strands of the intergral membrane proteins _____ & ______ give z. occludens (tight jct.) their characteristic quilt like appearance.
Definition
Occludin & Claudin
Term
Tight Junctions restrict even _____ from passing through to the opposite compartment.
Definition
small molecules
Term
The zonula adherens/ occludens are ____-type junctions.
Definition
belt
Term
The zonula adherens is a belt-type junction located immediately _______.
Definition
below the zonula occludens
Term
The zonula adherens connects to the _____ cytoskeleton.
Definition
actin
Term
______ proteins are the adhering proteins used in zonula adherens.
Definition
Cadherin
Term
Cadherin simply means _____.
Definition
Ca2+ dependent adheren
Term
Cadherin proteins have long ______ domains
Definition
extracellular
Term
Cadherin proteins have long extracellular domains that, in the presence of calcium, become ____ and bind _____ to cadherins on neighboring cells.
Definition
extended

loosely
Term
When no Ca2+ present, Cadherins cannot _____.
Definition
extend and form connections.
Term
Cadherin also have intracellular domains that are not as long that attach to p-120 catenin and _______ and alpha catenin.
Definition
Beta Catenin
Term
Beta Catenin does what for Cadherin?
Definition
For zonula adherens, beta catenin acts as a linker protein by attaching the transmembrane protein Cadherin on the cytosolic side to the actin filament of its own cytoskeleton.
Term
Desmosomes aka _______.
Definition
Macula adherens (spot junction)
Term
Desmosomes (Macula adherens) serve as cellular “____-welds” to adhere cells to their neighbors.
Definition
spot
Term
Desmosomes (Macula adherens) connect to ______.
Definition
intermediate filaments
Term
The plaques of Desmosomes (Macula adherens) are composed of ______.
Definition
Linker proteins that link the cadherins to the cytoskeleton (intermediate filaments here) of the cell
Term
The cadherins of Desmosomes (Macula adherens) are: ______.
Definition
desmoglein

desmocollin
Term
Desmosomes are distributed over most of the cell surface in ______.
Definition
epithelia
Term
Are Desmosomes located to certain parts of cell junctions?
Definition
No
Term
Gap junctions are not built to ______.
Definition
Adhere one cell to another
Term
Gap junctions allow cells to be connected both ______ & _______.
Definition
electrically and metabolically.
Term
Ca2+ can get transported between cells through.
Definition
Gap junctions
Term
Zona Occuldens are located near the ____ surface of the cell.
Definition
Apical
Term
Gap junctions can be of ______.
Definition
Varying sizes
Term
What is the protein that forms the gap junction.
Definition
Connexon
Term
Connexon has ____ subunits.
Definition
6
Term
Gap junctions allow the passage of _____ between neighboring cells.
Definition
small molecules
Term
Focal contacts connect the ______ with the ______.
Definition
internal cytoskeleton

extracellular matrix
Term
Focal Contacts are an example of ______.
Definition
Cell to ECM junction
Term
Focal contacts use ____ proteins
Definition
Integrin
Term
Focal contacts are created by the alpha or beta subunit of an _____ protein in the extracellular domain binding to the ______, and then its intracellular portion binding through a linker protein to _____ of the cytoskeleton.
Definition
Integrin

ECM

Actin (Microfilaments)
Term
Integrins can be activated to bind _____ molecules either directly or by other signal transduction pathways.
Definition
ECM
Term
Hemidesmosomes connect _____ to ______.
Definition
Intermediate filaments to Collagen fibrils of the ECM (Basal Lamina)
Term
Hemidesmosome is a ____ type of junction.
Definition
Cell to ECM
Term
_____ is the universal linking protein, it can bind to any of the cytoskeleton components.
Definition
Plectin
Term
Hemidesmosomes superficially resemble _______.
Definition
half of a desmosome
Term
Hemidesmosomes superficially resemble half of a desmosome, but use _____ instead of ______ to connect the internal cytoskeleton with the extracellular environment.
Definition
integrins

cadherins
Term
Desmosome link _____ of one cell to another.
Definition
Intermediate Filaments
Term
Adherens junctions link _____ of one cell to another.
Definition
Actin bundles
Term
Hemidesmosomes anchors ____ to _____.
Definition
Intermediate Filaments to the Basal Lamina
Term
Each microvillus is a cylindrical projection of the ______.
Definition
plasma membrane
Term
The cytoplasm within each microvillus contains _______.
Definition
microfilaments (part of the cytoskeleton)
Term
Microvilli are often found at the ____ surfaces of epithelial cells that are specialized for ______.
Definition
apical

absorption
Term
An abundance of _______, containing ________ surrounds the microvilli.
Definition
glycocalyx

PAS-positive glycoproteins
Term
Together, microvilli and their glycocalyx can be observed in the light microscope and are called the ______.
Definition
brush border
Term
Function of microvilli is to greatly ______ of the cell membrane, thus facilitating _____ in intestinal epithelial lining cells.
Definition
increase the surface area

absorption
Term
Stereocilia are cylindrical projections of the ______ that are more similar in structure to _____ than to ______, because they also contain bundles of _________.
Definition
PM

microvilli

cilia

microfilaments (Actin)
Term
Stereocilia are found at the apical surfaces of highly specialized epithelial cells, including the ______ and the _____ of the inner ear.
Definition
ductus epididymis

hair cells
Term
In the epididymis, stereocilia keep the spermatozoa _______, and they also ____ & ______ various materials that help sustain the viability of the sperm.
Definition
in the center of the lumen of the tube

secrete and absorb
Term
Stereocilia are Involved in ______ detected by the ear.
Definition
sensations (balance and hearing)
Term
If Stereocilia are sheared, then ______ may result.
Definition
partial or total deafness may result
Term
Cilia aka (______)
Definition
kinocilia
Term
Cilia (kinocilia) are Cylindrical projections of the ______.
Definition
plasma membrane
Term
Cilia (kinocilia) contain very organized bundles of _______.
Definition
microtubules
Term
Cilia (kinocilia) contain very organized bundles of microtubules that have grown from ______ in the cortical cytoplasm.
Definition
basal bodies
Term
Cilia (kinocilia) are generally found in groups of many at the _____ surfaces of epithelial cells
Definition
apical
Term
Numerous Cilia (kinocilia) are found in the _____ system.
Definition
Respiratory
Term
Cilia (kinocilia) function is ______.
Definition
motility
Term
Cilia (kinocilia) are motile; in mammals this motility does not cause locomotion of the cell, but rather causes movement of ___________.
Definition
extracellular materials across the surface of the cell.
Term
In respiratory epithelium, cilia clear ________ and the _____ materials that become trapped in these secretions from the airways.
Definition
epithelial secretions

inspired
Term
Flagella, In humans these are found as a single long projection (~100μm) only in _______.
Definition
spermatozoa
Term
Flagella contain a highly organized array of ________ in their cores.
Definition
microtubules (axonemes)
Term
Many _____ are located in the region where the microtubules of flagella where they arise from the basal body.
Definition
mitochondria
Term
Flagella are responsible for the motility of _____.
Definition
sperm
Term
Zonulae occludentes (______)
Definition
tight junctions
Term
Zonulae occludentes (tight junctions) are Found near the _____ surfaces of epithelial cells.
Definition
apical
Term
The term zonula indicates that the junction _______ and connect it to ____ adjacent cells.
Definition
completely encircles a cell

all
Term
Zonulae occludentes (tight junctions) When viewed by transmission electron microscopy, they are seen as places where membranes of adjacent cells are in very _______, with points of direct contact such that the intercellular space normally observed between cells is occluded and the membrane has a ________.
Definition
close apposition

pentalaminar appearance
Term
In freeze fracture preparations of Zonulae occludentes (tight junctions), the ______, which connect the two plasma membranes, are observed as grooves and ridges near the apical surface of the cell.
Definition
sealing strands
Term
Three major transmembrane protein family groups comprise the core of tight junctions: __________.
Definition
Claudins
Occludin
Junctional Adhesion Molecule (JAM)
Term
Claudins of Zonulae occludentes (tight junctions) form the backbone of the ______.
Definition
sealing strands
Term
Peripheral membrane proteins of Zonulae occludentes (tight junctions): ________.
Definition
Zonula occludens proteins (ZO-1, ZO-2, ZO-3)
Term
Zonula occludens proteins (ZO-1, ZO-2, ZO-3) associate with the _____ portions of the transmembrane proteins and may regulate their _____ via signal transduction pathways.
Definition
cytosolic

tightness
Term
_______ & ______ permeabilize the Zonulae occludentes (tight junctions) by acting on ZO-1 and ZO-2.
Definition
Cholera toxins and cytomegalovirus
Term
As the name occludens implies, these junctions form a ______.
Definition
barrier
Term
Diffusion of materials from one side of an epithelial sheet to the other side normally _______ between cells.
Definition
does not occur
Term
_____ diffusion of membrane proteins and phospholipids of the outer leaflet are also blocked by occludin.
Definition
Lateral
Term
Zonula adherens (________)
Definition
anchoring junctions
Term
In epithelial cell sheets, the Zonula adherens are usually found just underneath the ______.
Definition
occluding junctions
Term
With respect to Zonula adherens the membranes of adjacent cells contain membrane-spanning glycoproteins called ______ whose extracellular domains bind to each other.
Definition
cadherins ("classical" cadherins)
Term
Are the individual bindings of Zonula adherens' cadherins strong or weak?
Definition
Weak (but strong as a whole)
Term
The intracellular part of the cadherin in Zonula adherens is linked to the actin ______ of the cytoskeleton by linker proteins such as the: _______.
Definition
microfilaments

catenins (α, β, and p120).
Term
dense plaques, which are most apparent in macula adherens and slightly apparent in Zonula adherens are ______.
Definition
sites of insertion of microfilaments
Term
The main function of Z.A.s is _______.
Definition
adhesion of cells to each other.
Term
Z.A.s are probably involved in the _______ into tubes during embryogenesis.
Definition
folding of epithelial sheets
Term
Macula adherens (______)
Definition
desmosome
Term
The cytoplasmic faces of the membranes of the adjoining cells display dense “_____” in Macula adherens (desmosome).
Definition
plaques
Term
In Macula adherens (desmosome) transmembrane glycoproteins called _____ & _______ are responsible for the filamentous, extracellular material and are linked to the dense plaques at their intracellular portion.
Definition
desmocollins and desmogleins
Term
Desmosomes can occur at _____ on the membranes of adjacent cells
Definition
any place
Term
Desmosomes are typically observed below ______.
Definition
zonulae adherens
Term
Desmosomes are ____ shaped and occur as discrete plaques, not as ______ as for the two types of junctions described above.
Definition
disc

not as belts that encircle the whole cell
Term
Desmosomes function in ______.
Definition
Adhesion between cells and stability of tissues
Term
Desmosomes are the only junctions between cells of the ________.
Definition
stratified squamous epithelium of the skin.
Term
The disease pemphigus vulgaris is an _____ disease where patients produce _____ to the_________, causing severe blistering of the skin.
Definition
autoimmune

antibodies

desmosomal glycoproteins (desmogleins)
Term
Desmosomes are also a mechanical defense against ________.
Definition
metastasizing tumors
Term
***The term “junctional complex” has historically referred to the commonly viewed set of junctions found at the apex of epithelial cells. In order, from apical surface to basolateral membrane, they are the tight junction, the adherens junction, and then the desmosome. Remember this fact! It may be important later!
Definition
Term
Gap junction (______)
Definition
nexus
Term
Gap junction (nexus) are held in ______.
Definition
close apposition
Term
Gap junction (nexus) are held in close apposition, ______ in distance between adjacent cell membranes.
Definition
2nm
Term
_______ of intramembrane particles can be seen in freeze-fracture preparations of Gap junctions (nexus).
Definition
Circular patches
Term
The major constituent of Gap junctions (nexus) is a transmembrane protein called _______.
Definition
connexin (Cx)
Term
_____ molecules of this connexin (Cx)form a cylindrical structure called a ______.
Definition
Six

hemichannel
Term
In Gap junctions adjacent cells each provide one _______, it forms a structure called a ______ that has a central pore of ~1.5nm diameter.
Definition
hemichannel

connexon
Term
The ______ is what is observed as an intramembrane particle circular patches in freeze-fracture electron micrographs of Gap junctions.
Definition
hemichannel
Term
________ combine to form a gap junction.
Definition
Up to several hundred connexons
Term
Gap junctions allow for direct _______ communication between cells.
Definition
cytoplasmic communication
Term
Only small molecules (MW < ____ daltons) such as ions or the second messenger cAMP can pass through gap junctions.
Definition
1500
Term
Gap junctions allow the many cells within a tissue to function ________, such as in heart muscle where many cells must contract simultaneously.
Definition
coordinately
Term
The opening and closing of gap junctions is regulated by: _______. intracellular pH, calcium levels, and phosphorylation of gap jct. proteins.
Definition
Term
connexin family of proteins take on abbreviations of ____ based on their migration in SDS pages.
Definition
Cx-26, Cx-32, and Cx-43.
Term
Cx-26 mutations lead to _______.
Definition
congenital deafness (Cx = connexin)
Term
Cx-46 and Cx50 mutations lead to ________.
Definition
cataracts of the lens of the eye (Cx = connexin)
Term
Cx-32 mutations cause ______.
Definition
demyelination of peripheral nerves. (Cx = connexin)
Term
Focal contacts (_______)
Definition
adhesion plaques
Term
Focal contacts (adhesion plaques) use transmembrane proteins called ______.
Definition
integrins
Term
For Focal contacts (adhesion plaques), Transmembrane receptors called ______ bind to _______ molecules.
Definition
integrins

extracellular matrix (ECM)
Term
Different integrin types are specific for particular ______ molecules.
Definition
ECM
Term
External binding of integrins to ECM molecules induces ________ to form cable-like _______.
Definition
actin filaments

stress fibers
Term
External binding of integrins to ECM molecules instigates several ________ that tell a cell to transcribe new genes, change its shape, or even to start moving.
Definition
Signal transduction pathways
Term
Transmembrane receptors called integrins bind to extracellular matrix (ECM) molecules (fibronectin, laminin, etc.), cluster together, and ________.
Definition
recruit other proteins to that site
Term
Cytoskeletal proteins recruited by the binding to the site of integrin to the ECM: _______
Definition
vinculin, α-actinin and talin
Term
Focal contacts (adhesion plaques) functions in the anchoring of _____ to _____.
Definition
cells to the extracellular matrix
Term
Focal contacts (adhesion plaques) functions in the anchoring of cells to the extracellular matrix, this is particularly important in connective tissue which has little adhesion between ____ and a great abundance of ________.
Definition
cells

ECM
Term
In addition to anchoring of cells, Focal contacts (adhesion plaques) also function in the _____.
Definition
Reception of extracellular signals
Term
Hemidesmosomes are similar to desmosomes, but they anchor _____ to ______ instead of to ______.
Definition
intermediate filaments to the extracellular matrix

another cell
Term
Transmembrane components of Hemidesmosomes: _______
Definition
a. Integrins.
b. Collagen type XVII
Term
Components of the Hemidesmosomes plaque: ______.
Definition
Plectin
BP230
BP230
Term
Plectin crosslinks ________ to other _______.
Definition
intermediate filaments

IFs, MTs, or MFs.
Term
BP230 attaches the _____ to the attachment plaque of the hemidesmosome.
Definition
IFs
Term
Erbin mediates the association between _____ & ______.
Definition
BP230 and integrins.
Term
Hemidesmosomes Function to anchor _____ cells to the ______.
Definition
anchor epithelial cells to the basal lamina
Term
basal lamina is the name given to the extracellular matrix at the basal surface of epithelial cells that separates them from the underlying connective tissue.
Definition
Yup
Term
Sometimes antibodies are made to the hemidesmosomal protein _____ or _____ resulting in the autoimmune disease called bullous pemphigoid, similar to pemphigus vulgaris.
Definition
BP230 or collagen type XVII
Term
Connective tissue often underlies an ______.
Definition
epithelial sheet
Term
Connective tissue is mostly ______.
Definition
ECM
Term
Epithelium is possesses _____ connective tissue.
Definition
little
Term
Connective tissue is cell ______.
Definition
sparse
Term
Most of the nuclei seen in connective tissue is ______.
Definition
Fibroblasts
Term
Main function of connective tissue is to provide ______.
Definition
Structural support
Term
Connective tissue serves as a _____ reserve.
Definition
Energy reserve (adipose tissue).
Term
Connective tissue acts in defense by providing Physical barrier & _________ cells.
Definition
Phagocytic and immune-competent
cells
Term
Connective tissue participates in _____ and _____ exchange.
Definition
nutrient

waste
Term
Connective tissue acts in the repair of tissues after wounding through _______ cells.
Definition
fibroblasts
Term
Blood vessels bring ____ and nutrients to cells residing in the extracellular matrix and take away ______.
Definition
hormones

waste products
Term
Arterial side: ____ hydrostatic pressure, _____ osmotic pressure
Definition
High

low
Term
Venous side: _____ osmotic pressure, ____
hydrostatic pressure
Definition
High

low
Term
Arterial side, ___flow.
Definition
out
Term
Venous side, ____ flow.
Definition
In
Term
Edema results when this system of “bathing” the ______ tissue becomes unbalanced.
Definition
epithelial tissue through the connective tissue
Term
Edema can be caused by Lower ____ blood flow.
Definition
venous
Term
Lower venous blood flow, which can cause edema, can be caused by ______.
Definition
a. Tumor or parasite obstruction.
b. Congestive heart failure.
Term
Edema can be caused by ______ vascular permeability.
Definition
Increased
Term
Increased vascular permeability, which can cause edema, can be caused by ______.
Definition
a. Injury.
b. Histamine release.
Term
Starvation or excessive feeding cause edema?
Definition
Starvation
Term
Starvation can cause edema by _____ concentrations of plasma proteins which reduces the ______ pressure inside the capillary, reducing outflow of material.
Definition
lowering

colloid osmotic
Term
Extracellular Matrix is composed of fibers and ______.
Definition
Ground substance
Term
Ground Substance is made up of: ______.
Definition
GAGs.
proteoglycans
glycoproteins (fibronectin)
water
ions (Na+, K+, Ca++)
Term
Glycosaminoglycan (GAG) are ____ chains of repeating _______.
Definition
Long

Disaccharides
Term
Proteoglycan are what?
Definition
Long chains of GAGs added to a protein backbone
Term
***Long chains of GAGs form a fairly rigid, ______ structure that attract _____ and ______.
Definition
unbranching

water

cations
Term
_____ (GAG)
Definition
Glycosaminoglycan
Term
Glycosaminoglycan (GAG) are highly _____, which is what attracts cations and therefore water.
Definition
Sulfonated (-)
Term
Glycosaminoglycan (GAG) are usually found _____.
Definition
Attached to a protein
Term
Fibronectin is a _____protein with many _____ domains
Definition
glyco

binding
Term
Proteoglycans are predominately?
Definition
carb
Term
glycoproteins are predominately?
Definition
protein
Term
Fibronectin branched or straight?
Definition
branched
Term
glycoproteins branched or straight?
Definition
straight
Term
Lamin is an example of a _____ protein.
Definition
glycoprotein
Term
Proteoglycans function structurally by binding to ______ and fibers.
Definition
Integrin
Term
Proteoglycans function in ______ through hyaluronic acid.
Definition
Lubrication
Term
Proteoglycans convey protection by creating a gel-like consistency that impedes _______.
Definition
penetration by bacteria
Term
Glycoproteins have structural function by binding to integrins, fibers, & ______.
Definition
GAGs
Term
Glycoproteins ______ the ECM.
Definition
Organizes
Term
Glycoproteins are important in the development of _______.
Definition
vasculature
Term
Reticular fibers are _____ type of collagen.
Definition
III
Term
Collagen are Constructed from an assortment of _____.
Definition
alpha chains
Term
There are over ____ different types of collagen molecules.
Definition
20
Term
Collagen has a high content of: _______.
Definition
glycine, lysine, proline (and OH-versions).
Term
Collagen spontaneously forms into a tight ______.
Definition
triple helix
Term
hemidesmosomes are made up of ____ type of collagen.
Definition
Type XVII
Term
Type II collagen is found in ______.
Definition
cartillage
Term
type I collagen is found in _____.
Definition
tendons
Term
Collagen ______ accumulate and make up collagen fibers.
Definition
Fibrils
Term
End product of collagen formation in the ER/Golgi Complex?
Definition
Procollagen
Term
Procollagen still has _____ attached which prevents collagen from self assembling in the cell which is very bad.
Definition
registry peptides (3 pro alpha chains)
Term
Collagen molecules undergo self assembly into _____ after their registry peptides are cleaved in the ECM.
Definition
Collagen Fibril
Term
Some fibril-associated (type ___ & _____ collagens) collagens form either intramolecular or intermolecular
crosslinks between adjacent _____ molecules.
Definition
tropocollagen

9 and 11
Term
Type ___ and Type ____ collagen stabilize collagen through intra and intermolecular bonds on the type ____ collagen fibrils.
Definition
9 and 11

2/1 (not really important)
Term
______ are assembled into collagen fibrils.
Definition
Tropocollagen triple helixes
Term
Collagen Fibrils are grouped into _____.
Definition
Collagen Fibers
Term
Collagen Fibers are grouped into ______.
Definition
Bundle
Term
Bundles of Collagen Fibers can form _____ or _____.
Definition
Ligaments or Tendons
Term
Type _ collagen is most abundant.
Definition
I
Term
Type I collagen is formed by _____.
Definition
Fibroblasts
Term
Type III collagen (reticular fibers) is more associated with ______.
Definition
Carbohyrates
Term
Scurvy results from a vitamin C deficiency which is required for the ______ of collagen in the _____.
Definition
hydroxylation of proline

RER
Term
Progressive Systemic Sclerosis results from Excessive _____ production.
Definition
collagen
Term
In Progressive Systemic Sclerosis, _______ surrounds most organs as “______”.
Definition
connective tissue

capsules
Term
Progressive Systemic Sclerosis, organs “______” and exhibit dysfunction.
Definition
harden
Term
Progressive Systemic Sclerosis is due to an aberrant _______ (either synthesis or destruction).
Definition
turnover of collagen
Term
Ehlers-Danlos Syndrome has Several underlying causes, including a defect in: ________.
Definition
lysyl hydroxylase (rare), procollagen peptidase, or Type III or IV collagen.
Term
Ehlers-Danlos Syndrome results in increased ____ of the skin ______ of joints, and _____ blood vessels are some of the symptoms.
Definition
elasticity

hypermobility

fragile
Term
Reticular fibers stain ______ in tissue
Definition
dark purple
Term
Elastic Fibers have two main components: ____ & ______.
Definition
elastin and microfibrils
Term
Elastic Fibers have a ____ core surrounded by _____.
Definition
elastin

microfibrils
Term
Elastic fibers are cross linked by _____ and modified _____ residues through a _____ in the center.
Definition
Lysine

allysine (modified lysine)

desmosine
Term
The cross linking of elastic fibers allow them to _______.
Definition
Expand (stretch) and relax
Term
Patients with mutations in the ______ gene develop Marfan syndrome.
Definition
fibrillin 1
Term
Fibril 1 is the main protein component of ______.
Definition
the microfibrils of elastic fibers
Term
Patients with Marfan syndrome have defective _____ and therefore defective _____.
Definition
microfibrils

elastic fibers
Term
Aorta have high _____ content.
Definition
elastic fiber
Term
Connective Tissue acts an energy reserve by using ______ tissue.
Definition
adipose
Term
Connective Tissue participates in Nutrient and waste exchange between cells and blood supply by _____ of materials through connective tissue matrix.
Definition
diffusion
Term
Edema is the excess accumulation of tissue fluid in the _______.
Definition
extracellular matrix.
Term
Causes of edema include, Lower _____ blood flow caused by obstruction due to tumors or parasites, congestive heart failure.
Definition
venous
Term
Causes of edema include, _____ capillary permeability from prolonged _____ response, due to injury or histamine release
Definition
Increased

inflammatory
Term
wound healing is a function of _______.
Definition
connective tissue
Term
connective tissues are composed of cells and _______.
Definition
extracellular matrix
Term
Extracellular Matrix is composed of ______ & ______.
Definition
ground substance and fibers of different types
Term
Ground Substance is made up by ______.
Definition
Glycosaminoglycans (GAGs) attached to proteins to form proteoglycans
Term
Glycosaminoglycans (GAG) are poly_________ composed of repeating ______ units.
Definition
polysaccharides

disaccharide
Term
Are GAG branched or linear?
Definition
Linear
Term
Are GAG flexible?
Definition
No
Term
The sugars of GAGs are highly _______.
Definition
sulfated
Term
The sugars of GAGs are highly sulfated, making them hydro_____, attracting _____ ions, and causing formation of highly _____ gels.
Definition
philic

sodium

solvated
Term
The sugars are highly sulfated and bound to a _______ core to form _______.
Definition
protein core

proteoglycans
Term
Hyaluronic acid is the only GAG that is _____ .
Definition
not sulfonated
Term
Hyaluronic acid is a GAG found in _______.
Definition
cartilage and synovial fluid
Term
Chondroitin-4-sulfate is a GAG that predominates in ______.
Definition
cartilage
Term
Chondroitin-4-sulfate is a GAG that predominates in cartilage that is found in association with ______.
Definition
type II collagen
Term
Proteoglycans have 2 components: _______.
Definition
carbohydrate (glycosaminoglycan) and a protein core
Term
Proteoglycans 80-90% _______.
Definition
carbohydrate
Term
Proteoglycans are hyrdo____ poly____ions
Definition
philic

polyanions
Term
The preponderance of electrostatic interactions (mostly with Na+) cause proteoglycans to have a high level of ______.
Definition
solvated water
Term
proteoglycans have _____ turnover.
Definition
Rapid
Term
proteoglycans are degraded by ______ enzymes and thus many of the ______ storage disorders result from accumulation of undigested proteoglycans.
Definition
lysosomal

lysosomal
Term
The protein core of proteoglycans is synthesized in the ______.
Definition
RER
Term
Glycosylation of proteoglycans occurs where?
Definition
Initiated in the RER completed in the Golgi
Term
Proteoglycans structural function is to bind ______ together.
Definition
Collagen
Term
Proteoglycans functions: protection, structural, and ______.
Definition
lubrication
Term
Two examples of Proteoglycans: ______.
Definition
aggrecan

syndecan
Term
Aggrecan is Proteoglycans, found in _____ and connective tissue proper
Definition
cartilage
Term
Glycoproteins are predominately ______.
Definition
Protein
Term
Proteoglycans are predominately ______.
Definition
Carb
Term
Glycoproteins are predominately are predominately with ____ attached.
Definition
carbohydrate
Term
Glycoprotein's carbohydrates branched or linear?
Definition
Branched
Term
Proteoglycan's carbohydrates branched or linear?
Definition
Linear
Term
Glycoproteins function in adhesion of cell to ______ & in interaction between ______.
Definition
Substrate

Neighboring Cell
Term
Fibronectin is a _______, that provides _______ for cells, collagen, and GAGs.
Definition
glycoprotein

Binding sites
Term
Fibronectin is a _______, that functions in cell _____ and migration.
Definition
glycoprotein

adhesion
Term
Laminin is a _______, that is a large molecule found in the _______.
Definition
glycoprotein

basal laminae
Term
Laminin is a glycoprotein that is at least partially responsible for epithelial cell ______.
Definition
adhesion
Term
______ is a glycoprotein in cartilage, mediates adhesion of chondrocytes to type II collagen.
Definition
Chondronectin
Term
Type ___ collagen is a glycoprotein that forms an essential part of the basal laminae underlying epithelial sheets.
Definition
IV
Term
Fibers of the ECM consist of 3 types: ______ fibers, ______ fibers and ______ fibers.
Definition
collagen fibers

reticular fibers (Collagen Type III)

elastic
Term
Collagen fibers are formed by aggregation of many molecules of the protein ______.
Definition
collagen
Term
Individual collagen polypeptides are called ______.
Definition
α chains
Term
The different types of collagen (types I-VII described) contain different types of _____.
Definition
α chains.
Term
In the synthesis of collagen, the first step involves the synthesis of polypeptide ______ on rough ER.
Definition
α chains
Term
In the synthesis of collagen, the first step involves the synthesis of polypeptide α chains on rough ER. These polypeptides initially contain a ____ sequence.
Definition
signal
Term
The α chains assembled in the RER for collagen synthesis contain a signal sequence, and therefore are called ______.
Definition
preprocollagen
Term
In collagen synthesis, once the signal sequence is cleaved within the ____ the polypeptides are referred to as ______.
Definition
ER

procollagen
Term
The pro in procollagen refers to the fact that these polypeptides have sequences called _______ at both ends of the molecule.
Definition
registration peptides
Term
______ are not present in mature collagen.
Definition
registration peptides
Term
The registration peptides make procollagen a _____ molecule and are involved in proper alignment of the ______.
Definition
soluble

triple helix
Term
In collagen synthesis, hydroxylation of _____ & _____ residues within the ___ by the enzymes ____- & _____- hydroxylase .
Definition
proline and lysine

prolyl- and lysyl

ER
Term
Transport and secretion of ____collagen.
Definition
procollagen
Term
When are the registration peptides removed from procollagen?
Definition
After it has been transported out of the cell
Term
registration peptides are removed by ______ enzymes, producing ______.
Definition
procollagen proteinases

tropocollagen
Term
Is tropocollagen soluble?
Definition
No, insoluble
Term
Tropocollagen molecules spontaneously aggregate to form _____ with 64nm periodicity.
Definition
fibrils
Term
Tropocollagen molecules spontaneously aggregate to form fibrils with 64nm periodicity (only in types: _______).
Definition
I, II, and III
Term
Fibrils aggregate to form fibers (only in types: ______).
Definition
I and III
Term
Covalent crosslinking of ____collagen molecules is done by the enzyme ______.
Definition
tropo

lysyl oxidase
Term
Collagen polypeptides can aggregate to form _____ structures.
Definition
higher order
Term
Tropocollagen is a ______ aggregate of collagen α−chains which is 280nm long.
Definition
triple helical
Term
Fibrils are composed of many ______ molecules, which aggregate and overlap to form long units, which can be seen to have a _____ peroidicity.
Definition
tropocollagen

64 nm
Term
The periodicity of Fibrils results from the alignment of _______ molecules.
Definition
tropocollagen
Term
Only collagen types: ________ form fibrils
Definition
I, II, III and VII
Term
The tropocollagen molecules are held together in fibrils by: ______, ______, and ______.
Definition
hydrogen bonds, hydrophobic bonds, and covalent crosslinks.
Term
Collagen fibers are aggregations of ______ of varying thickness
Definition
collagen fibrils
Term
Collagen Characteristics include: inelasticity, flexibility, tensile strength greater than steel.
Definition
yup
Term
Only collagen types: ______ form fibers.
Definition
I and III
Term
Type _ collagen is most abundant.
Definition
I
Term
Type I collagen forms ____ fibers.
Definition
thick
Term
Type I collagen found in: _____.
Definition
Most connective tissues.
Bones.
Dentin.
Capsules.
Term
Type II collagen is found in _______.
Definition
Hyaline and elastic cartilage
Term
Type II collagen forms fibers/fibrils?
Definition
Fibrils
Term
Type II collagen forms ______ Fibrils.
Definition
thin
Term
Type III collagen, aka _____.
Definition
reticular fibers
Term
Type III collagen (reticular fibers) are found most places type _ is found
Definition
I
Term
Type III collagen can ______ with other types.
Definition
copolymerize
Term
Type IV collagen makes up the _____.
Definition
Basal laminae
Term
Type IV collagen does not ______.
Definition
form fibrils or fibers
Term
Type VII collagen is an _____ fiber in function, found in the _______.
Definition
Anchoring

Basal Lamina
Term
Scurvy results from abnormal hydroxylation of _____ residues in the ____ caused by Vitamin C deficiency.
Definition
proline

ER
Term
In Scurvy collagen becomes ______.
Definition
brittle
Term
______ condition results from the overaccumulation of collagen fibers,
Definition
Progressive systemic sclerosis
Term
Overaccumulation of collagen fibers in Progressive systemic sclerosis, can be the result of overproduction or lack of ______ by fibroblasts, macrophages.
Definition
turnover
Term
Progressive systemic sclerosis is a _____ problem causing the covering of various organs to harden.
Definition
Systemic
Term
Ehlers-Danlos syndrome (EDS): One underlying cause is a defect in either the enzyme lysyl hydroxylase (____cellular activity) or the enzyme lysyl oxidase (____cellular activity), which results in abnormal collagen synthesis.
Definition
intra

extra
Term
What are Thicker, Collagen Fibers or Reticular fibers?
Definition
Collagen Fibers
Term
Reticular fibers major component is type __ collagen.
Definition
III
Term
***Reticular fibers major component is type III collagen, they also contain glycoproteins, which make them ______ (stain black with silver) and PAS-____.
Definition
argyrophilic

positive
Term
Reticular fibers form networks around and within ______.
Definition
organs
Term
Reticular fibers are abundant in _____ and ______ organs.
Definition
hemopoietic

parenchymal
Term
Reticular fibers are Found where there is need for a _____ framework, such as blood vessels, liver, spleen, and smooth muscle particularly abundant during
embryogenesis and in areas of inflammation and wound healing, but are later replaced by regular collagen.
Definition
flexible
Term
Elastic fibers can reversibly stretch to ___ times their original length.
Definition
1.5
Term
Elastic fibers have two chemical components: ________.
Definition
elastin

Glycoprotein in the form of 10 nm tubular microfibrils
Term
elastin of elastic fibers are amorphous protein in the _____ region of the elastic fiber.
Definition
central
Term
Most elastin of elastic fibers is made by ______.
Definition
fibroblasts
Term
Like collagen, elastin in elastic fibers is rich in glycine and _____.
Definition
proline
Term
Unlike collagen it has small amounts of hydroxyproline and no hydroxy_____.
Definition
hydroxylysine
Term
elastin contains the unusual amino acids ______ & _______, formed from covalent reactions among 4 lysine residues.
Definition
desmosine and isodesmosine
Term
elastin accounts for the rubberlike qualities also found in the fenestrated membranes (_______) of some blood vessels where it is deposited in ______ form.
Definition
elastic laminae

nonfibrillar
Term
Elastic fibers, in addition to elastin is also composed of a _______ in the form of 10 nm tubular microfibrils.
Definition
glycoprotein
Term
_____ which serve as a framework into which elastin is deposited mature fibers are 0.2μm to 1.0μm diameter
Definition
microfibrils
Term
In the synthesis of elastic fibers deposition occurs in three steps during ________.
Definition
embryogenesis
Term
In the synthesis of elastic fibers, _____ are secreted first to form a hollow framework.
Definition
Microfibrils
Term
In the synthesis of elastic fibers, Microfibrils are secreted first to form a hollow framework. At this stage the fibers are called _____ fibers.
Definition
oxytalin
Term
Oxytalin fibers (a step in elastic fiber synthesis) are found in the _____ and ________ in adults.
Definition
dermis

zonule fibers of the eye
Term
Once the oxytalin fibers have been formed, _____ is secreted, then polymerizes to form ______, which is deposited in irregular bundles among the microfibrils.
Definition
Proelastin

elastin
Term
During Elastic Fiber synthesis when the elastin has been laid around the Microfibrils it is called a ____ fiber.
Definition
elaunin fiber
Term
Elaunin fibers are found in the ____ and around ______ in adults.
Definition
dermis

sweat glands
Term
The final stage of Elastic Fiber synthesis involves further elastin deposition where? and additional deposition of a thin sheath of microfibrils to produce elastic fibers.
Definition
into the center of the fiber bundles
Term
______ fibers of collagen synthesis are not elastic.
Definition
Oxytalin
Term
Oxytalin fibers are not elastic and transmit the force generated by _______ to change the curvature of the lens of the eye, for example.
Definition
ciliary muscle contraction
Term
Marfan syndrome is an autosomal dominant mutation in the gene for _______.
Definition
fibrillin-1
Term
_____ are the most abundant cell type in “normal” connective tissue proper (no inflammation or infection)
Definition
Fibroblasts
Term
Fibroblasts secrete and turn over most _____ components, including collagen fibrils.
Definition
ECM
Term
Fibroblasts have a ____-shaped nucleus.
Definition
Spindle
Term
Fibroblasts have a _____ cytoplasm.
Definition
Attenuated
Term
Are there granules stored in fibroblasts?
Definition
No
Term
Fibroblasts have prominent ____ & _____ subcellular structures.
Definition
RER, Golgi
Term
Macrophage have a ____ or _____-shaped nucleus.
Definition
Oval or bean
Term
Macrophage have abundant Abundant _____ and phagosomes
Definition
lysosomes
Term
Macrophage function is the ______ of microorganisms
Definition
phagocytosis
Term
Macrophages also function as a _____ storage depot
Definition
Iron
Term
Macrophages function in the destruction of senescent ____ and other
dead cells.
Definition
RBCs
Term
Macrophages function in Various aspects of the immune response through antigen _____, Destruction of _____ cells. and Production of various _____.
Definition
presentation

neoplastic

cytokines
Term
Macrophages function in the turnover of various ______ components.
Definition
ECM
Term
Mast Cells are ______ in size.
Definition
large
Term
Mast Cells Secrete many factors for immediate ______ rxns.
Definition
hypersensitivity
Term
Mast Cells Distribution is widespread, but especially along ____ & ______.
Definition
airways and digestive tract.
Term
Plasma cells have a characteristic ______ nucleus?
Definition
“Clock-face”
Term
Plasma cells are ____lived
Definition
short
Term
________ are the most common cell of connective tissue.
Definition
Fibroblasts
Term
Fibroblasts secrete materials _______ or upon stimulation?
Definition
constitutively
Term
Fibroblasts have abundant ______ & well developed ____ complex,
Definition
rough ER

Golgi
Term
When Fibroblasts are no longer synthetically active and are now called _______, they become smaller and more _____ shaped and have more _______ staining nuclei and ____ abundant RER.
Definition
fibrocytes

spindle

darkly

less
Term
Fibroblasts synthesize the fibers of ________.
Definition
connective tissue
Term
Fibroblasts produce _______ in addition to fibers of connective tissue.
Definition
ground substance
Term
In addition to synthesis fibroblasts participates in the _____ of ECM components.
Definition
Turnover
Term
Macrophages are the ______ cells of the connective tissue.
Definition
phagocytic
Term
Macrophages have large _____ or ______ shaped ______ placed nucleus.
Definition
round or bean-

eccentrically
Term
Macrophages possess prominent organelles, including: Golgi, many _____, & RER.
Definition
lysosomes
Term
Macrophages are ______ size (10-30μm).
Definition
Large
Term
Macrophages are part of the ______ phagocytic system (a system of cells in different organs of the body involved in ______ [the ingestion and digestion of particles]).
Definition
mononuclear

phagocytosis
Term
Macrophages are involved in the initiation of the immune response by stimulation of both plasma cell development and production of antibodies by plasma cells.
Definition
Term
Who makes collagen?
Definition
Fibroblasts
Term
Macrophages/ Neutrophils have receptors for _____ on their PM.
Definition
Antibodies
Term
Macrophages/ Neutrophils have ___ receptors, which bind to the ___ regions of _____ antibodies, which are found on the surfaces of antibody coated bacterium. This induces phagocytosis of the bacterium.
Definition
Fc

Fc

IgG
Term
Mast cells are filled with ______.
Definition
Granules
Term
Macrophages are filled with _____.
Definition
Phagosomes/ Lysosomes
Term
Mast Cells secrete chemotactic factors that attract ______ & ______.
Definition
neutrophils and eosinophils
Term
Mast Cells contain Neutral proteases, which activate the _______ system.
Definition
complement
Term
Fibroblasts contain an abundance of _____ and ______.
Definition
Golgi and RER
Term
Do Mast Cells have continuous or regulated secretion?
Definition
Regulated
Term
Mast Cells have ____ specific receptors.
Definition
IgE
Term
Does IgE have the antigen bound when it first binds to the Mast Cell?
Definition
No, not like IgG and macrophages where IgG is bound already to the bacterium before it binds to the Fc receptor on the macrophage.
Term
After the Mast Cell has bound the IgE antigbodies to its receptor, it can now bind its antigen, after which a multivalent antigen causes the ____ of the adjacent IgE molecules (not receptors).
Definition
crosslinking
Term
Mast cells release _____ by exocytosis following the binding of an antigen to the IgE antibody bound to its IgE receptor.
Definition
Histamine
Term
Plasma cells are a protein making machine and as soon as it makes them it secretes them, so what are you not going to see?
Definition
Granules, because they do not store them, but has abundant golgi and RER
Term
Plasma cells produce circulating ______.
Definition
antibodies
Term
Plasma cells have a prominent and characteristic ______.
Definition
Golgi
Term
______ Adipose Cells aka brown fat.
Definition
Multilocular
Term
Multilocular Adipose Cells function is to ______.
Definition
Generate Heat
Term
Unilocular Adipose Cells function is to ______.
Definition
Energy Storage
Term
Multilocular Adipose Cells _____ lipid droplets per cell.
Definition
Multiple
Term
Multilocular Adipose Cells vascular or avascular?
Definition
vascular
Term
Multilocular Adipose Cells are directly innervated by _______ nervous system.
Definition
sympathetic
Term
Multilocular Adipose Cells contain many ______.
Definition
MT
Term
Multilocular Adipose Cells generate heat through the uncoupling of the proton gradient from ATP production by ______.
Definition
UCP-1
Term
epicardium (heart) has ____ type of fat.
Definition
Unilocular
Term
_______ break down the higher order macromolecules so that they can be adsorbed
Definition
lipoprotein lipase
Term
Lipoprotein lipases are produced by ___ and reside on ______.
Definition
Adipocyte

nearest capillaries
Term
In addition to fatty acids, Adipocytes import _____.
Definition
Glucose
Term
Why do Adipocytes import glucose in addition to the FAs?
Definition
Glucose is used to make the glycerol backbone for the FAs to be assembled on to make the Triglycerides.
Term
______ stimulates the uptake of glucose by Adipocytes .
Definition
Insulin
Term
_____ is insulin's antagonist.
Definition
Glucagon
Term
Glucagon stimulates ____ in adipocytes.
Definition
Lipases
Term
Glucagon stimulates lipases in adipocytes to break down TGs in the _____ effect.
Definition
Lipolytic
Term
Is adipose tissue vascularized?
Definition
Yes
Term
Is adipose tissue innervated?
Definition
Yes, so epinephrine can act on them
Term
Eosinophils migrate to sites of inflammation, by being attracted to ________ factor, which is released upon degranulation by _____ cells.
Definition
eosinophil chemotactic factor

Mast Cells
Term
Eosinophils are resident of the ______.
Definition
Connective tissue
Term
Eosinophils secrete a major _____ protein, which is anti-______ in nature.
Definition
basic
Term
Eosinophils secrete factors (arylsulfatase and _____) that break down leukotriene C and ____ (______ secretions).
Definition
histaminase

histamine

mast cell
Term
_____ cells keep mast cell granular secretions in check.
Definition
Eosinophils
Term
Eosinophils can ______ antigen:antibody complexes.
Definition
phagocytose
Term
Lymphocytes are similar in size to _____.
Definition
RBCs
Term
Lymphocytes are predominately _____, when observed under LM.
Definition
nucleus
Term
Connective Tissue Proper is made up of _____ & _____.
Definition
Loose (areolar)

Dense
Term
Loose connective tissue has _____ fibers.
Definition
fewer
Term
Dense Connective Tissue has lots of ______.
Definition
collagen
Term
Dense Connective Tissue can be further subdivided into ______ & _______.
Definition
Regular

Irregular
Term
Elastic tissue has lots of elastic fibers and ______ in it.
Definition
Laminae
Term
Supportive connective tissues are subdivided into _____ & ______.
Definition
Cartilage

Bone
Term
Loose (Areolar) Connective Tissue has a _______ role.
Definition
Space-filling
Term
Dense Regular Connective Tissue is found in ______ & ______.
Definition
Tendons and ligaments
Term
Eosinophils reverse actions of _______ secretions.
Definition
mast cell
Term
Loose (areolar) Connective Tissue have relatively few ____ fibers and relatively abundant ______.
Definition
collagen

cells
Term
Dense Irregular Connective Tissue consits of many _____ fibers, and relatively few _______.
Definition
collagen fibers

cells
Term
In Dense Irregular Connective Tissue the collagen fibers are oriented in _____.
Definition
oriented in all directions.
Term
Dense Irregular Connective Tissue Resists tension from ____ directions.
Definition
all
Term
Dense Irregular Connective Tissue is found where?
Definition
dermis, organ capsules, sometimes submucosa
Term
Dense Regular Connective Tissue possess many _____ fibers and are all oriented in ______ direction.
Definition
Collagen

One
Term
Dense Regular Connective Tissue resists tension along _____.
Definition
one axis
Term
_____ CT surrounds blood vessels.
Definition
loose
Term
Fibroblasts have a Long, thin nucleus, with fine chromatin and prominent nucleolus, abundant ______, well developed ______, but few obvious vesicles.
Definition
rough ER
Golgi complex
Term
Fibroblasts secrete materials by regulation or constitutively?
Definition
constitutively
Term
What are Fibroblasts called when no longer active?
Definition
fibrocytes
Term
Fibroblasts synthesize the ____ of connective tissue.
Definition
fibers
Term
Fibroblasts produce _____ substance.
Definition
ground
Term
______ are the phagocytic cells of connective tissue.
Definition
Macrophages
Term
Macrophages have an _______ shpaed plasma membrane profile.
Definition
Irregular
Term
Macrophages have a large _______ shaped eccentrically placed nucleus.
Definition
round or bean-shaped
Term
Macrophages possess prominent organelles, including: Golgi, many ______, and RER
Definition
lysosomes
Term
Macrophages are _____ in size (___-___μm).
Definition
Large

10-30
Term
Macrophages motile or immobile?
Definition
motile
Term
Macrophages may enlarge to form ____ cells, or fuse to form ____ cells.
Definition
epitheloid

giant
Term
Macrophages are involved in the initiation of the ______ by stimulation of both _____ development and production of _____ by _____.
Definition
immune response

plasma cell

antibodies

plasma cells
Term
Macrophages participate in cell-mediated response to _____, _____, and the destruction of old ______.
Definition
infection

cancer

RBC’s
Term
Macrophages arise from ______ which migrate out of the _____ and differentiate into macrophages.
Definition
monocytes

blood
Term
*Mast cells are highly _____ cells.
Definition
granular
Term
Mast cells are important in the _____ response.
Definition
inflammatory
Term
Macrophages are part of the ____ response.
Definition
cell-mediated response
Term
Mast cells are found primarily in _____, ____, and ______.
Definition
primarily in the dermis, the digestive tract, and the respiratory tract.
Term
Mast cells are Large _____ shaped cells, 20-30 μm in diameter, small round nucleus, numerous _____ granules which sometimes obscure the nucleus.
Definition
ovoid

basophilic
Term
Granules of mast cells have a heterogeneous interior with a laminated appearance; are _______ due to GAG.
Definition
metachromatic
Term
**Granules of mast cells contain: ___________
Definition
histamine, neutral proteases, NCF (neutrophil chemotactic factor), ECF (eosinophil chemotactic factor) in addition to GAG (e.g., heparin).
Term
Mast cells funciton in the immediate ______ reaction
Definition
hypersensitivity
Term
Mast cells funciton in the immediate hypersensitivity reaction, similar to the ____ cells of the blood.
Definition
basophil
Term
In the inflammatory response brought by Mast Cells, An antigen (allergen) induces the production of ____ antibodies by plasma cells
Definition
IgE
Term
In the inflammatory response brought by Mast Cells, An antigen (allergen) induces the production of IgE antibodies by plasma cells. The mast cells bind the IgEs because of _____ receptors for this immunoglobulin on the cell surface.
Definition
Fc
Term
In the inflammatory response brought by Mast Cells, An antigen (allergen) induces the production of IgE antibodies by plasma cells. The mast cells bind the IgEs because of Fc receptors for this immunoglobulin on the cell surface. This first binding of antibodies to the membrane does what to the mast cell?
Definition
sensitizes the mast cells.
Term
In the inflammatory response brought by Mast Cells, An antigen (allergen) induces the production of IgE antibodies by plasma cells. The mast cells bind the IgEs because of Fc receptors for this immunoglobulin on the cell surface. This first binding of antibodies to the membrane sensitizes the mast cells. Upon a second stimulation by the antigen, the IgE/receptor complexes ______, which stimulates release of granules.
Definition
cross-link
Term
The granules release by Mast Cells are potent mediators of ______.
Definition
inflammation
Term
Histamine affect _____ & ______.
Definition
Vascular permeability and vasodilation.
Term
Neutral proteases released from Mast Cells, activate the _____ system.
Definition
complement system
Term
NCF, ECF-A realeased by Mast Cells attract _____ or ____ to the area.
Definition
neutrophils or eosinophils
Term
In addition to stimulating the release of Mast Cell granules, the cross-linking of IgE receptors activates phospholipase A2, which converts membrane phospholipids to arachidonic acid, followed by the production of ________.
Definition
leukotrienes
Term
Leukotrienes are _____.
Definition
vasodilators
Term
Leukotrienes are vasodilators and induce _____ contractions, but are thousands of times more potent than _____.
Definition
bronchial

histamine
Term
Leukotrienes are quickly inactivated by ______-.
Definition
aryl sulfatase
Term
If the hypersensitivity reaction from basophils or more importantly Mast cells becomes _______, then _____ results, which can be fatal.
Definition
systemic

anaphylaxis
Term
Plasma cells are _____-producing cells of the connective tissue.
Definition
antibody
Term
Plasma cells have a "_____" nucleus
Definition
clockface
Term
Plasma cells are loaded with _____ and have a well developed.
Definition
RER

Golgi complex
Term
Plasma cells stain basophilic, except where _____ is found.
Definition
Golgi
Term
Well-developed Golgi complex of a plasma cell creates a ____ area of cytoplasm adjacent to one end of nucleus.
Definition
pale
Term
Plasma cells develop from _____ the of blood.
Definition
B lymphocytes
Term
Antigens may stimulate B lymphocytes directly or by coming in contact with ______.
Definition
macrophages
Term
Leukocytes aka ______.
Definition
white blood cells
Term
Leukocytes can migrate (by _____ through capillary walls) out of the circulation into the connective tissues.
Definition
diapedesis
Term
Eosinophils are cells of ______ or of _____ infection
Definition
allergy

parasitic
Term
Eosinophils secrete _____ protein, which is active against parasites
Definition
major basic
Term
Eosinophils secrete arylsulfatase and histaminase, which break down ____ and _____, thus reversing the response initiated by mast cells.
Definition
leukotriene C and histamine
Term
Eosinophils _____ antigen-antibody complex.
Definition
Phagocytose
Term
______ are the only source of histamine in blood.
Definition
Basophils
Term
Basophils have granules that are similar in composition to those of ______.
Definition
mast cells
Term
T lymphocytes are the _____-lived cells of _____-mediated immunity
Definition
long

cell
Term
B lymphocytes are ____ cell precursors.
Definition
plasma cell
Term
B lymphocytes are stimulated by ______.
Definition
Antigens
Term
Two types of Adipocytes: ______.
Definition
Unilocular fat cells

Multilocular fat cells
Term
With Unilocular fat cells the majority of the cell is filled with _______.
Definition
a single fat droplet.
Term
Unilocular tissue is found most areas of the body except: _______.
Definition
a. Penis/scrotum.
b. Eyelids
c. The ear (except lobule).
Term
Multilocular fat cells aka _____
Definition
brown fat
Term
What are larger, multilocular or Unilocular?
Definition
multilocular
Term
Multilocular fat cells contain ______ fat droplets.
Definition
numerous small
Term
Adipose tissue Functions to serve as the body's ______.
Definition
major energy reserve
Term
Cell morphology (unilocular adipose)is a thin rim of cytoplasm surrounding the lipid droplet and a peripherally located nucleus give a ____ring appearance to the cell.
Definition
signet
Term
Triglyceride storage is stimulated by _____.
Definition
insulin
Term
Dietary fats (transported in blood as chylomicra) and triglycerides synthesized in liver (transported as very low density lipoprotein VLDL) are broken down into free fatty acids and glycerol by the enzyme ______ (an enzyme that is stimulated by ______).
Definition
lipoprotein lipase

insulin
Term
Uptake of glucose from blood is stimulated by ______.
Definition
Insulin
Term
Release of fat from adipose tissue is stimulated by ______.
Definition
norepinephrine
Term
Release of fat from adipose tissue is stimulated by norepinephrine from the _____ nervous system.
Definition
sympathetic
Term
Mobilization of fat from adipose tissue is not _____.
Definition
uniform
Term
Triglycerides are broken down into free fatty acids and glycerol by ______.
Definition
hormone sensitive lipase
Term
Free fatty acids mobilized from adipose tissue diffuse into blood and are carried by ______ to tissues requiring an energy source.
Definition
albumin
Term
Increased “fat mass” may occur by either of two mechanisms: ______
Definition
Hypertrophic

Hyperplastic
Term
Hypertrophic – _______.
Definition
Cells grow bigger
Term
Hyperplastic - _______.
Definition
increased number of adipocytes, mainly early in life.
Term
Adipocytes secrete many _______.
Definition
cytokines (adipocytokines)
Term
Adipocytes secrete 2 types of cytokines (adipocytokines): _______.
Definition
Adiponectin

Leptin
Term
Adiponectin increases _______ in skeletal muscle & decreases plasma _____ levels.
Definition
fatty acid oxidation

plasma lipid
Term
Adiponectin is positively correlated with enhanced ______ in skeletal muscle and a reduced risk for diabetes.
Definition
insulin signal transduction
Term
Administration of adiponectin reverses ________.
Definition
insulin resistance
Term
Leptin aka "_____ hormone"
Definition
satiety
Term
Leptin acts through the hypothalamus to negatively regulate ____ & ______.
Definition
appetite and energy expenditure
Term
Leptin effects on the autonomic nervous system can lead to ______.
Definition
hypertension
Term
Leptin amount increases with ______, suggesting some form of “leptin resistance”.
Definition
adiposity
Term
Leptin stimulates possibly indirectly fatty acid oxidation and ______ uptake.
Definition
glucose
Term
Hyperleptinemia associated with _____ & ______.
Definition
obesity and insulin resistance
Term
Loose connective tissue is sometimes called _____ (air-like).
Definition
aerolar
Term
Loose connective tissue fills spaces between ____ & _____.
Definition
fibers and muscle sheaths
Term
Loose connective tissuesupports most ______.
Definition
epithelia
Term
Loose connective tissue is flexible and well _______.
Definition
vascularized
Term
Dense connective tissue is called dense because of increased numbers of _____ fibers.
Definition
collagen
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