Tissues- Epithelial

simple squamous

• diffusion/filtration

• air sacs of lungs, endothelium, mesothelium

simple squamous

simple cuboidal

simple cuboidal

• secretion/absorption

• kidney tubules, ducts of some glands

simple columnar

• secretion/absorption

• contain goblet cells to secrete mucous

• nonciliated- microvili to increase SA on small intestine

• ciliated- fallopian tubes

simple columnar

stratified squamous

• protection/barrier

• basal cells replicated by mitosis

• mouth, skin

• keratin in surface cells of skin

stratified squamous

stratified cuboidal

• protection

• lining of sweat, mammary, salivary glands, pancreas

stratified cuboidal

stratified columnar

• protection/secretion

• male urethra

stratified columnar

pseudostratified columnar

• secretion

• contain cilia to sweep mucus away

• trachea

psuedostratified columnar

transitional

• capable of stretching

• bladder lining + parts of ureter/urethra

transitional

endocrine

secrete hormones into blood

exocrine

• have ducts

• unicellular glands: goblet cells

• multicellular glands: sweat, oil, salivary

merocrine

• exocytosis

• secrete fluid, sweat, saliva

apocrine

• lose part of cell to secrete product

• mammary glands, smell sweat inactive until puberty

holocrine

• cell released, die + rupture to release product

• oil gland sebaceous