Tissue Flashcards
tissues identification and definitions
groups of cells that are similar in structure and function
tissues
4 primary tissue types
epithelium connective nervous muscle
a sheet of cells that covers a body surface or lines a body cavity
epithelial tissue
simple epithelia
one layer of cells
stratified epithelia
two or more layers of cells
squamous cell
scalelike cells
cuboidal cell
cubelike cells
columnar cell
column - shaped cells
pseudo stratified epithelium
a simple columnar epithelium but the cells vary in height and nuclei position giving the false appearance of being stratified. usually ciliated.
transitional epethelium
a peculiar stratified squamous epithelium formed of rounded cells with the ability to slide over one another to allow the organ to be stretched (i.e. bladder for stretching)
4 types of connective tissue
connective tissue proper (loose and dense) cartilage bone blood
3 types of muscle tissue
skeletal smooth cardiac
1
Simple squamous epithelium
(1) Allows passage of materials by diffusion
(2) air sacs in lungs, heart lining, blood vessels, lining of central body cavity
1
1
Simple Cuboidal Epithelium
(1) secretion and absorption
(2) kidney tubules, ducts, and secretory portions of small glands
1
1
Simple Columnar Epithelium
(1) absorption, secretion of mucous and enzymes
(2) lining of digestive tract
1