Epithelial Tissues Flashcards
The four main functions of epithelial tissues are..
Protection, secretion (gets rid of but stays in body), absorption, excretion (get rid of completely)
Epithelial tissues are classified according to
Cell shape and number of layers
The three way of classifying shapes are…
Squamous, cuboidal, columnar
Squamous….
flat
Cuboidal…
Square/bubble shape
Columnar….
Tall/slender
The two ways of classifying layers are…
Simple and Stratified
Simple…..
Single layer
Stratified….
More than one layer
Shape of single squamous?
Single layered and flat
Single squamous lines… (3 things)
Air sacs, blood vessels, and lymphatic vessels
Shape of single cuboidal?
Single layered and cube-shaped
single cuboidal covers….
ovaries
single cuboidal lines…. (2 things)
kidney tubules and ducts of glands
Shape of simple columnar?
Single layer of long and thin cells