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Anatomy
Anatomy
131
Biology
Undergraduate 3
09/01/2008

Additional Biology Flashcards

 


 

Cards

Term
The Stratum basale consists mainly of a single layer of _______ to low ___________stem cells and ___________
Definition

cuboidal , columnar  and keratinocytes

 

Term
The epidermis is composed of five types of cells
Definition

1. Stem Cells

2. Keratinocytes

3. Melanocytes

4. Tactile (Merkel) Cells

5. Dendritic (Langerhans) Cells

Term
Langerhans cells are found in two layers of the epidermis called
Definition

1. Stratum Spinosum

2. Stratum granulosum

Term
The epidermis consists of four to five layers of cells. From deep to superficial they are
Definition

1. Stratum Basale

2. Stratum Spinosum

3. Stratum granulosum

4. Stratum lucidum

5. Stratum corneum

Term
The stratum spinosum consists of several layers of what types of cells
Definition
keratinocytes
Term

List 8 functions of connective tissue

Definition

1. Binding of organs.

2. Support

3. Physical protection

4. Immune protection

5. Movement

6. Storage

7. Heat production

8. Protection

 

 

 

Term
List 6 types of fibrous connective tissue cells
Definition

1. Fibroblast

2. Macrophages

3. Leukocytes

4. Plasma cells

5. Mast Cells

6. Adipocytes

Term
______________are Large phagocytic cells that wander through the connective tissues where they engulf and destroy bacteria, other foreign particles and dead or dying cells
Definition
Macrophages
Term
Thin collagen fibers coated with glycoprotein. These form a spongelike framework for such organs as the spleen and lymph nodes
Definition
Reticular fibers
Term
_________ fibers are thinner than collageneous fibers, and they branch and rejoin each other along their course. They are made of a protein called__________ whose coiled structure allows it to strectch and recoil like a rubber band.
Definition
Elastic
Term
___________ fibers account for the ability of the skin, lungs, and arteries to spring back after they are strecthed.
Definition
Elastic
Term
_________ fibers are made of collagen, are tough and flexible and resist strecthing.
Definition
Collagenous
Term

__________ makes up 25% of the body's protein and is the most abundant type.

Definition
Collagen
Term
In fresh tissue, collagenous fibers have a glistening white apperance, as seen in tendons and some cuts of meat; thus they are called ________ fibers
Definition
white
Term
1. _________ cells are found specially alongside blood vessels, secrete a chemical called 2. ________ that inhbits blood clotting and one called 3. __________ that increase blood flow by dilating blood vessels
Definition

1.Mast cells

2. heparin

3. histamine

Term

Certain lymphocytes turn into _______ cells when they detect foreign antigens.

Definition
Plasma
Term
The plasma cells then sythesize  disease fighting proteins called
Definition
antibodies
Term
Plasma cells are rarely seen except in the walls of 1.___________ and in 2. _________ tissue
Definition

1. instestines

2. Inflamed

Term
___________ are fat cells
Definition
Adipocytes
Term
___________ are large rounded cells filled mainly with a droplet of triglyceride, which forces the nucleus and cytoplasm to occupy only a thin layer just beneath the plasma membrane.
Definition
Adipocytes
Term
__________ are large, flat cells that often appear tapered at the ends and show slender, wispy branches. They produce the fibers and ground substance that form the matrix of the tissue.
Definition
Fibroblasts.
Term
Ground substance usually has a gelatinous to rubbery consistency resulting from three classes of large molecules 1.________ 2._________ 3.________
Definition

1. Glycosaminoglycans

2. Proteoglycans

3. Adhesive glycoproteins

Term
__________ is a long polyssacharide composed of unsual disaccharides called amino sugars and uronic acid.
Definition
(GAG) glycosaminoglycan
Term
GAGS are negatively charged and thus tend to attract sodium and potassium ions, which in turn causes GAGS to absorb and hold water. Thus GAGS, play an important role in regulating the water and electrolyte balance of tissues. The most abundant GAG is ________
Definition
Chondroitin sulfate
Term
Three examples examples of GAGs (glycosaminoglycans) are: 1.________ 2._________3.________-
Definition

1. Heparin

2. Hyaluronic acid

3. Chrondroitin sulfate

Term
______________ is a gigantic molecules up to 20 micro meters as large as most cells. It is a viscous, slippery substance that forms a very effective lubricant in the joints and constitutes much of the jellylike vitreous humor of the eyeball
Definition
Hyaluronic acid
Term
Fibrous connective tissue is divided into two broad categories according to the relative abundance of fiber. 1.________ and 2._________ connective tissue.
Definition

1. Loose

2. Dense

Term
_____________ connective tissues are the most diverse type of connective tissue
Definition
1. Fibrous
Term
Amid the cells and fibers in some tissue sections, there appears to be a lot of empty space. In life, this space is occupied by the featureless _________ substance
Definition
Ground
Term
In loose connective tissue, much of the space is occupied by ________ substance, which is dissolved out of the tissue during histological fixation and leaves empty space in prepared tissue sections.
Definition
Ground
Term
Three types of loose connective tissues are:1._________2._________3.________
Definition

1.Areolar

2. Reticular

3. Adipose

Term

To loosely bind epithelia to deeper tissues; to allow passage of nerves and blood vessels through other tissues; and to provide an arena for immune defense is (are) the function (s) what tissue

Definition
Areolar
Term
Underlying nearly all epithelia; surrounding blood vessels, nerves, esophagus, and trachea; fascia between muscles; mesenteries; visceral layers of pericardium and pleura is the location of what tissue?
Definition
Areolar Tissue
Term
____________ Tissue represents a loose network of reticular fibers and cells infiltrated with numerous lymphocytes and other blood cells.
Definition
Reticular
Term

Some locations of reticular tissue include

Definition

Lymph nodes

Spleen

Thymus

Bone marrow.

Term
What is the function of Reticular Tissue?
Definition
Supportive framework for lymphatic organs
Term
What is the function of adipose tissue?
Definition
Energy storage
Term
The space between adipocytes is occupied by 1. _________ tissue, 2. _____________ tissue and blood capillaries
Definition

1. Areolar

2. Reticular

Term
Dense regular connective is named for two properties which are:
Definition

1. The collagen fibers are closely packed and leave relatively little open space

2. The fibers are parallel to each other.

Term
Dense regular connective tissue is found especially in ______________ and ___________
Definition
tendons/ ligaments
Term
Describe the microscopic appearance of dense regular connective tissue
Definition

Densely packed, parallel, often wavy collagen fibers; slender fibroblast nuclei compressed between collagen bundles; scanty open space (ground substance); scarcity of blood vessels

Term
__________ _____________ connective tissue also has thick bundles of collagen and relatively little room for cells and ground substance, but the collagen bundles run in random directions
Definition
dense irregular
Term
Describe the microscopic appearance of of dense irregular connective tissue
Definition
Densely packed collagen fibers running in random directions; scanty open space (ground substance); few visible cells; scarcity of blood vessels
Term
___________ is a supportive connective tissue with a flexible rubbery matrix.
Definition
Cartilage
Term
In cartilage the primary cell type is the:
Definition
Chondrocyte
Term
In bone the primary cell type is the__________
Definition
osteocyte
Term
Cartilage is usually free of blood vessels except when ___________
Definition
transforming into bone.
Term
Named for its clear glassy microscopic appearance which stems from the usually invisible fineness if its collagen fibers.
Definition

Hyaline

Term

Cells called chondroblasts secret the matrix and surround themselves with it until they become trapped in little cavities called

Definition
lacunae
Term
Cartilage is classified into three types:
Definition

1. Hyaline

2. Elastic

3. Fibrocartilage

Term
__________-cartilage is named for its conspicous elastic fibers
Definition
Elastic
Term
Cartilage named for its coarse, readily visible bundles of collagen.
Definition
Fibrocartilage
Term
Elastic cartilage and most hyaline catilage are surrounded by a sheath of dense irregular connective tissue called
Definition
perichondrium
Term
The term bone has two meanings:
Definition

organ of the body

bone tissue

Term
There are two forms of osseous tissue. (1)__________ (2)_________
Definition

Spongy

Compact

Term
_____________ fills the heads of the long bones. Although it is calcified and hard, its delicate slivers and plates give it a spongy apperance.
Definition
Spongy bone
Term
____________ bone is a denser calcified tissue with no spaces visible to the naked eye.
Definition
Compact (dense)
Term
Spongy bone, when present is always covered by _______ bone
Definition
compact
Term

Most compact bone is arranged in cylinders of tissue that surround __________ canals which run longitudinally through the shatfs of long bones such as the femur

Definition
haversian or osteonic canals
Term
A small cavity or dpression in a tissue such as bone, cartilage, and the erectile tissues
Definition
lacuna
Term
A little plate such as the lamellae of bone
Definition
lamella
Term
Name three different types of cartilage
Definition

1. hyaline

2. elastic

3. fribrocartilage

Term
Most widespread type of cartilage, forming nearly all the fetal skeleton and persisting in the adult in costal cartilages, the cartilages of the nose, trachea, and bronchi, and the articular carilages of joints
Definition
Hyaline
Term
Hyaline cartilage, with the exception of that associated with joints (articular cartilage), is surrounded by a dense connective tissue capsule, called
Definition
the perichondrium
Term
Tip of nose, Adams apple, and rings of cartilage around thr trachea is made up __________ cartilage
Definition
hyaline
Term
Location of elastic cartilage
Definition
external ear, epiglottis
Term
A central canal and its surrounding lamellae are called a (n)________
Definition
osteon
Term
Tiny lacunae between the lamellae are occupied in life by mature bone cells called
Definition
osteocytes
Term
Delicate canals called ___________ radiate from each lacuna to its neighbors and allow the osteocytes to contact each other.
Definition
canaliculi
Term
The bone as a whole is covered with a tough fibrous __________________
Definition
periosteum
Term
Connective tissue consists mostly of ___________ and ground substance, with widely separated cells
Definition
fibers
Term

Fibrous connective tissue has especially conspicuous fibers, which are of three kinds

Definition

1. Collagenous

2. Reticular

3. Elastic

Term
The cells of fibrous connective tissue include
Definition

1. fbroblasts

2. macrophages

3.leukocytes

4. plasma cells

5. mast cells

6. adipocytes

Term
The ground substance of fibrous connective tissue usually has a gelatinous consistency due to
Definition

1. glycosaminoglycans

2. proteoglycans

3. adhesive glycoproteins

Term
Describe the microscopic apperance of fibrocartilage
Definition
Parallel collagen fibers similar to those of tendon; rows of chondrocytes in lacuane bewteen collagen fibers; NEVER HAS A PERICHONDRIUM
Term

Representative locations of fibrocartilage

Definition

Pubis symphisis

 

Term
Distinguish the functions of hyaline, elastic and fibrocartilage
Definition

hyaline--eases joint moverment

Elastic---flexible

Fibrocartilage--- compression and absorbs shock

Term
List 7 funtions of the skin
Definition
 

regulation of body temperature

protection

sensation

excretion

immunity

blood reservoir

synthesis of vitamin D

Term
The epidermis is composed of 4 types of cells they are:
Definition

1. Keratinocytes

2. Melanocytes

3.Langerhans  (dendritic) cells

4. Merkel cells

Term
The epidermis consists of four to five layers of cells. They are:
Definition

1. Stratum basale

2. Stratum spinosum

3. Stratum granulosum

4. Stratum lucidum

5. Stratum corneum

 

Term
In the stratum granulosum, three important developments occur
Definition

1. The keratinocytes undergo apoptosis (programmed cell death)

2. The keratohylin granules release a substance that binds to the intermediate filaments of the cytoskeleton and converts them to keratin

3. The membrane-coating vesicles release a lipid mixture that spreads out over the cell surface and water proofs it.

Term
Which layer is this---keratinized stratified squamous epithelium
Definition
Epidermis
Term
Which layer is this?--Dead, keratinized cells of the skin surface
Definition
Stratum corneum
Term
____________ is the clear, feautureless, narrow zone seen only in thick skin
Definition
Stratum lucidum
Term
Anatomy in greek means to:
Definition
cut up
Term
What do you mean when you speak of the anatomy of the body?
Definition
You are referring to the study of structures and the relationships between structures.
Term
What do you mean when you speak of the physiology of the body?
Definition
You are referring to the functions of the body parts
Term
What are the six levels of structural organization of the human body?  What comprises each level?
Definition

1.chemical level–lowest level; atoms and molecules

2.cellular level– cells; formed from molecules and atoms

3.  tissue level – tissues are groups of similar cell types and the extracellular matrix around them; cells work for a common function4.organ level – organs are comprised of two or more different tissues; each organ has a specific function and shape5.         system level – consists of an association of related organs that have a common function6.         organismic level – highest level; all body parts are functioning together to comprise the individual
Term
Can you list the six important life processes of humans? 
Definition
metabolism

                        responsiveness (excitability, irritability)  movement

growth

 differentiation

 reproduction 
Term
What is metabolism?
Definition
Metabolism is the sum of all chemical processes in the body.
Term
 Metabolism can be broken down into how many processes that contribute to the whole.  Name them.
Definition

Catabolism

Anabolism

Term
The breaking-down processes that provide energy by breaking large molecules into their components parts is known as
Definition
Catabolism
Term
             What is responsiveness (excitability, irritability)
Definition
Responsiveness is the ability to detect and respond to changes in the external and internal environments.
Term
                         What roles do the nervous and endocrine systems have in responsiveness (excitability,irritability)? 
Definition
The nervous and endocrine systems detect changes in the environment, then integrate and interpret those changes. 
Term
What roles do the muscles and glands have in the role of responsiveness (excitability irritability) ?
Definition
 Muscular and glandular tissues respond to input from the nervous and endocrine systems to elicit changes in the body to counteract changes in the environment.
Term

Major action of masseter

Definition
Elevate mandible
Term

Major action of temporalis

Definition

Elevates and retracts mandible

Term
Major action of sternocleidomastoid
Definition

both muscles flex neck one side alone turns head to opposite side

Term
Major action of the masseter
Definition
elevates mandible
Term
Major Action of temporalis
Definition
Elevates and retracts mandible
Term
Major Action of sternocleidomastoid
Definition

both muscles flex neck

One side alone turns head to opposite side

Term
Major Action of Latissimus dorsi
Definition

Extends

Adducts

Rotates humerus medially

Draws humerus inferior and posterior

Term
Serratus Anterior
Definition

Rotates and

Abducts scapula

Elevates ribs when scapula fixed

Term

Major Action of External Abdominal oblique

Definition
Both sides compress abdomen/flex vert.column
Term
rectus abdominis
Definition
 flexes vertebral columncompresses abdomenstabilize pelvis during walking
Term
tensor fasciae latae
Definition
 flexes, abducts, and medially rotates femur
Term
 sartorius
Definition
 flexes leg; flexes thigh and rotates it laterally,      crossing the leg
Term
gracilis
Definition
adducts and medially rotates tibiaflexes leg
Term
gracilis
Definition
 adducts and medially rotates tibiaflexes leg
Term
 vastus lateralis
Definition
 extends leg
Term
 rectus femoris
Definition
 extends leg, flexes hip
Term
 pectoralis major
Definition
 flex, adduct, medially rotate humerus
Term
 biceps brachii
Definition
 flexes, supinates forearmabducts arm
Term
tibialis anterior
Definition
 dorsiflexes and inverts foot
Term
trapezius
Definition
elevates clavicleadducts, rotates, depresses, elevates scapulaabducts and extends neck
Term
deltoid
Definition
abducts, flexes or extends, and medially or      laterally rotates humerus, depending upon     which fibers are contracting
Term
triceps brachii
Definition
extends forearm; adducts arm
Term
gluteus maximus
Definition
extends, abducts, and rotates femur laterally
Term
 gluteus medius
Definition
abducts and rotates femur medially
Term
 biceps femoris
Definition
flexes legextends and laterally rotates thigh
Term
 semitendinosus
Definition
flexes legextends thigh and medially rotates
Term
 semimembranosus
Definition
 flexes legextends thigh and medially rotates
Term
gastrocnemius
Definition
plantar flexes footflexes leg
Term
Muscles of facial expression are known as
Definition
mimetic muscles
Term
The quadriceps femoris is a composite muscle, described as four separate muscles:
Definition
the rectus femoris, vastus medialis, vastus lateralis, and vastus intermedius (
Term
Name and briefly describe the three types of muscle tissue?
Definition
Skeletal muscle -- Cardiac muscle -- 

Smooth muscle --

Term
Identify and briefly describe the three functions of muscle tissue. 
Definition

Motion

Stabilize body positions and regulate organ volume -- 

Thermogenesis

Term
List and define the four basic characteristics of muscle tissue. 
Definition

Excitability -- Contractility -- Extensibility -- Elasticity

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