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Anatomy Tissues
Description of different kinds of tissues
23
Anatomy
Undergraduate 1
09/15/2013

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Term
simple squamous
Definition
1 layer of flattened cells
allows materials to pass through filtration and diffusion
air sacs of lungs and lining of heart
Term
simple cuboidal
Definition
1 layer of cubelike cells
secretion and absorption
kidney tubules and ovary surface
Term
simple columnar
Definition
1 layer of tall cells
(cilia and goblet cells)
absorption, secretion of mucus and enzymes
line digestive tract, uterus and intestines
Term
pseudostratified columnar
Definition
1 layer different heights
secretes substances (mucus)
trachea, upper resp tract
Term
stratified squamous
Definition
thick membrane, several layers (cub or column)
(keratinized) protect underlying tissue where abrasion
non-esophagus, mouth & vagina
ker-epidermis
Term
stratified cuboidal
Definition
2 layers of cubelike cells
protection
sweat ducts, mammary glands and saliva glands
Term
stratified columnar
Definition
several layers, superficial, elongated
protection and secretion
rare; found in male urethra
Term
transitional
Definition
cubiodal/columnar, dome shape
stretches readily and permits distension
lines ureters, urinary bladder, urethra
Term
mesanchyme
Definition
embryonic, gel-like, fibers
gives rise to other tissues
embryo
Term
areolar
(loose connective)
Definition
gel matrix with cells, fibroblasts and macrophages
wraps and cushions organs
under epithelia and surrounds capillaries
Term
adipose (loose connective)
Definition

closely packed, nucleus on end

reserves fuel, insulation, and protects organs under skin, around kidneys, abdomen and breasts

Term
reticular
(loose connective)
Definition
network of fibers in loose ground substance
fibers support other cells
lymphoid organs
Term
dense regular
(dense connective)
Definition
parallel collagen fibers, fibroblasts
attaches muscles to bones
tendons and ligaments
Term
elastic
(dense connective)
Definition
elastic fibers
blood flows & recoil of lungs and tissue
walls of arteries
Term
dense irregular
(dense connective)
Definition
collagen and elastic fibers
withstand tension
dermis, fibrous capsules
Term
cartilage: hyaline
Definition
firm matrix
supports and reinforces
forms embryonic skeleton and inside of ribcage
Term
cartilage: fibrocartilage
Definition
thick collagen fibers
strength and absorb shock
vertebral disks and knee joints
Term
bones
Definition
hard matrix contains collagen fibers
supports and protects, stores minerals
Term
blood
Definition
red and white blood cells
transport gases, nutrients, and waste
contained within blood vessels
Term
nervous
Definition
cell processes, contribute to tissue
(axon, dendrites, cell body, neuron processes)
transmit electrical signals
brain, spinal cord and nerves
Term
skeletal muscle
Definition
long cylindrical cells
voluntary movement, facial exp, control
attached to bones
Term
cardiac muscle
Definition
connect @ certain parts
propels blood in circulation, involuntary control
walls of heart
Term
smooth muscle
Definition
spindle shaped form sheets
propels substances along internal passageways
walls of hollow organs
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