lab 8- epithelial cells (test 1)

Question 1

stratified cuboidal epithelium

Answer 1

2-3 layers, cube shaped cells

function: protection, secretion
location: mammary glands, sweat glands, salivary glands and pancreas

Question 2

stratified columnar epithelium

Answer 2

superficial layer of elongated cells, basal layer of cube shaped cells

function: protection, secretion
location: male urethra and parts of pharynx

Question 3

transitional epithelium

Answer 3

many layers, cube shaped and elongated cells, thinner layers when stretched

function: distensibility, protection
location: urinary bladder and ureters and parts of the urethra

Question 4

simple squamous epithelium

Answer 4

single thin layer, flattened cells

function: filtration, diffusion, osmosis, secretion
location: air sacs, walls of capillaries, linings of blood vessels, and ventral body cavities

Question 5

simple cuboidal epithelium

Answer 5

single layer, cube shaped cells

function: secretion, absorption
location: surface of ovaries, linings of kidney tubules, linings of ducts of some glands

Question 6

simple columnar epithelium

Answer 6

single layer, elongated narrow cells, some ciliated

function: protection, secretion, absorption
location: linings of uterus, stomach, gallbladder, and intestines

Question 7

pseudostratified columnar epithelium

Answer 7

single layer, elongated cells, some cells do not reach free surface, often ciliated

function: protection, secretion, movement of mucus and substances
location: lining of respiratory tract

Question 8

stratified squamous epithelium

Answer 8

many layers, top cells flattened, keratinized surface cells of epidermis

function: protection, resists abrasion
location: epidermis of skin, linings of oral cavity, esophagus, vagina and anal canal