EPITHELIAL TISSUE
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32 Terms
What are the 3 classifications of epithelial tissue?
Simple, stratified, pseudo stratified
How many layers of cells are there in simple epithelial tissue?
1
How many layers of cells are there in stratified epithelial tissue?
2-3
How many layers of cells are there in pseudostratifed epithelial tissue?
1, but appears like there is more
What are the 3 types of simple epithelial tissue
simple squamous, simple cudoidal, and simple columnar
What is the function of simple squamous tissue?
to thin to slow for diffusion
Where is simple squamous tissue found?
lungs and blood vessels
What is the function of simple cuboidal tissue?
secretion and absorption
Where is simple cuboidal tissue found?
in the walls of glands and kidney tubules
What is the function of simple columnar tissue?
absorption and secretion of mucus
Where is simple columnar tissue found?
digestive tract
What are the 3 types of stratified epithelial tissue
stratified squamous, stratified cuboidal, stratified columnar
What is the function of stratified squamous tissue?
protection from abrasion
Where is stratified squamous tissue found?
skin, mouth, esophagus, vagina
What are the two most rare epithelial tissue?
stratified cuboidal and columnar
Where is stratified cuboidal tissue found?
ducts of sweat and mammary glands
Where is stratified columnar tissue found?
pharynx and male urethra
Where is transitional epithelial tissue found?
lining of urinary organs, ureters, urinary bladder, and parts of urethra
What is the function of transitional epithelial tissue?
stretches easily
What is the function of pseudostratifed columnar?
secrete substances like mucous
Where is pseudostratifed columnar found?
trachea and fallopian tubes
What does simple squamous look like?
tiled floor
What does simple cuboidal look like?
What does simple columnar look like?
What does stratified squamous look like?
many layers of flat cells
What does stratified cuboidal look like?
What does stratified columnar look like?
What does transitional tissue look like?
What does pseudo stratified columnar look like?
What are the two surfaces of epithelial tissue?
apical and basal surface
What is the apical surface?
free surface exposed to the surface and not attached to underlying tissue
what is the basal surface?
surface that is attached to underlying tissue, especially connective tissue