Epithelial Tissue

Question 1

Four basic types of tissue

Answer 1

epithelial, connective, nervous, muscle

Question 2

What does the epithelial line?

Answer 2

all internal & external surfaces of the body

Question 3

main functions of epithelial tissue (6)

Answer 3

protection, absorption, filtration, secretion, excretion

Question 4

simple squamous

Answer 4

a single layer of flat cells

Question 5

simple cuboidal

Answer 5

single layer of cube-shaped cells

Question 6

simple columnar

Answer 6

single layer of tall column like cells

Question 7

pseudostratified

Answer 7

single layer but some cells are shorter than others and often look like a double layer.

Question 8

stratified squamous

Answer 8

stacked flat cells

Question 9

stratified cuboidal

Answer 9

two or more layers of cube-like cells

Question 10

stratified columnar

Answer 10

surface cells are columnar cells underneath and vary in size and shape.

Question 11

transitional epitelium location/function

Answer 11

dome-like shape, urinary bladder, absorption/secretion

Question 12

What are epithelia classified by?

Answer 12

cell shape & number of layers

Question 13

simple squamous function & location

Answer 13

function: diffusion, filtration, gas, exchange
locations: lungs (air sacs), capillary walls clinging inside of vessels, inside of the heart

Question 14

simple cuboidal function & location

Answer 14

function: secretion & absorption
location: glands, ducts,portions, of kidney tubules, thyroid glands

Question 15

simple columnar function & location

Answer 15

function: secretion & absorption
location: large ducts, digestive track (microvilli)

Question 16

stratified cuboidal location

Answer 16

location: sweat glands, mammary glands

Question 17

stratified columnar location

Answer 17

male urethra, large ducts, pharynx

Question 18

keratinizes stratified squamous location & function

Answer 18

function: protection
location: skin

Question 19

unkeratinized stratified squamous function & location

Answer 19

function: protection
location: oral cavity, esophagus, vagina

Question 20

pseudostratified function & location

Answer 20

function: absorption & secretion
location: large ducts, respiratory tract, urinary tract, male reproductive system.

Question 21

endocrine & exocrine secretions

Answer 21

endo: hormones
exo: sweat, breast milk, oils