Epithelial Cells.

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Presentation transcript:

Epithelial Cells

What is it? Transitional Found where? -bladder -urethra -ureters Do what? -prevent diffusion -stretches easily

What is it? Pseudostratified columnar Do what? -moves dirt away from respiratory passageways Found where? -trachea -upper respiratory tract -vas deferens (reproductive area for males) -usually has cilia -most contain goblet cells (to secrete mucus)

What is it? Simple cuboidal Do what? -secretion and absorption Found where? -eyes (tear ducts) -thyroid gland -ovaries -kidneys Simple cuboidal

What is it? Simple Squamous Found where? -air sacs of lungs -blood vessels -in kidneys Simple Squamous Do what? -diffusion -filtration (in tubules in kidneys –regulates water and excretes waste)

What is it? Found where? -found in many glands -sweat gland -salivary Do what? -Secretion and Absorption -secrete sweat -secrete hormones -produce sperm Found where? -found in many glands -sweat gland -salivary -pancreas -mammary -follicles of ovaries -sperm-producing ducts in testis What is it? Stratified Cuboidal

What is it? Simple Columnar Found where? -digestive tract -upper respiratory tract -uterus (areas where there is not a lot of wear and tear) Simple Columnar Do what? -secretion and absorption

What is it? Stratified Squamous Found where? -skin -mouth -vagina -anus -vocal cords What is it? Stratified Squamous Do what? -protection