Epithelial Tissue

Question 1

locations of simple squamous epithelium

Answer 1

lines heart, blood vessels, lymphatic vessels, air sacs of lungs, glomerular (Bowman’s) capsule of kidneys, and inner surface of the tympanic membrane (eardrum)

Question 2

simple squamous epithelium forms the epithelial layer of _____, such as the _____

Answer 2

serous membranes; peritoneum

Question 3

function of simple squamous epithelium

Answer 3

filtration, diffusion, osmosis, and secretion in serous membranes

Question 4

simple squamous epithelium is present in the mesothelium in the ____ and the endothelium in _____

Answer 4

peritoneum; arterioles and venules

Question 5

function of simple cuboidal epithelium

Answer 5

secretion and absorption

Question 6

locations of simple cuboidal epithelium

Answer 6

• surface of ovary
• kidney tubules & smaller ducts of many glands
• secreting portion of some glands like the thyroid gland & ducts of some glands like the pancreas
• anterior surface of capsule of lens of the eye
• posterior pigmented epithelium of eye

Question 7

epithelium that can be ciliated or nonciliated

Answer 7

simple columnar epithelium

Question 8

simple columnar epithelium may contain mucus-secreting unicellular glands or _____

Answer 8

goblet cells

Question 9

function of simple columnar epithelium

Answer 9

• absorption
• secretion of mucus, enzymes, or other substances
• ciliated type propels mucus (or reproductive cells) by ciliary action

Question 10

_____ contains cells with microvilli at some locations

Answer 10

nonciliated simple columnar epithelium

Question 11

location of nonciliated simple columnar epithelium

Answer 11

• lines gastrointestinal tract (from stomach to anus)
• lines excretory ducts of many glands
• lines gallbladder

Question 12

location of ciliated simple columnar epithelium

Answer 12

• lines portions of upper respiratory tract
• uterine tubes
• uterus
• some paranasal sinuses
• central canal of spinal cord
• ventricles of the brain

Question 13

function of ciliated simple columnar epithelium

Answer 13

moves mucus and other substances by ciliary action

Question 14

can be keratinized or nonkeratinized

Answer 14

stratified squamous epithelium

Question 15

function of startified squamous epithelium

Answer 15

protects underlying tissues in areas subjected to abrasion

Question 16

locations of nonkeratinized stratified squamous epithelium

Answer 16

lining of esophagus, mouth, tongue, part of epiglottis, part of pharynx, and vagina

Question 17

location of keratinized stratified squamous epithelium

Answer 17

superficial layer of skin (epidermis)

Question 18

location of stratified cuboidal epithelium

Answer 18

ducts of adult sweat glands and esophageal glands and part of the male urethra (very rare in the body)

Question 19

function of stratified cuboidal epithelium

Answer 19

protection and limited secretion and absorption

Question 20

location of stratified columnar epithelium

Answer 20

-lines part of urethra
-large excretory ducts of some glands such as esophageal glands
-small areas in anal mucous membrane
-part of the conjunctiva of the eye
(very rare in body)

Question 21

function of stratified columnar epithelium

Answer 21

protection and secretion

Question 22

can be ciliated or noncilated

Answer 22

psuedostratified columnar epithelium

as well as simple columnar epithelium

Question 23

function of pseudostratified columnar epithelium

Answer 23

secretion, particularly of mucus; propulsion of mucus by ciliary action

Question 24

location of ciliated pseudostratified columnar epithelium

Answer 24

lines the trachea and most of the upper respiratory tract

Question 25

location of nonciliated pseudostratified columnar epithelium

Answer 25

males sperm-carrying ducts, epididymis, larger ducts of many glands, part of male urethra

Question 26

function of transitional epithelium (urothelium)

Answer 26

stretches readily and permits distention of urinary organ by contained urine

Question 27

location of urothelium

Answer 27

lines the ureters, bladder, and part of urethra

Question 28

the basement membrane is made up of the ____ and _____

Answer 28

basal lamina; reticular lamina

Question 29

____ are larger than _____

Answer 29

cilia; microvilli

Question 30

apical domain specializations

Answer 30

microvilli, stereocilia, cilia

Question 31

____ are the lateral domain specializations

Answer 31

intercellular junctions

Question 32

EM is associated with the ____ and light microscopy is associated with the ______

Answer 32

basal lamina; basement membrane

Question 33

simple tubular found in _____ and simple branched tubular found in ______

Answer 33

intestinal glands; stomach (gastric) glands

Question 34

simple branched alveolar found in ______

Answer 34

sebaceous (oil) glands

Question 35

compound tubular found in _____

Answer 35

Brunner's glands of small intestine

Question 36

compound alveolar found in _____

Answer 36

mammary glands

Question 37

compound tubuloalveolar found in _____

Answer 37

salivary glands