Topic 10 - Surface epithelia: stratified epithelia

Question 1

stratified squamos - non keratinized

Answer 1

found in the cornea and internal body surfaces (esophageus)

Question 2

stratified squamos - keratinized

Answer 2

found in skin, and beginning and end of gastrointestinal tract

Question 3

Stratum germinativum

Answer 3

both

Columnar cell layer with mitotic division

Question 4

Stratum spinosum

Answer 4

both

cuboidal polygon cell layers with desmosomes

Question 5

Stratum planocellulare

Answer 5

non-k

fusiform or flattened cells, squamoscells, one or two layers.

Question 6

stratum granulosum

Answer 6

k

fusiform cells with keratohyalin granules

Question 7

stratum lucidum

Answer 7

k

flattened layer with eleidin

Question 8

stratum corneum

Answer 8

k

dead cell layer

Question 9

Stratified cuboidal epithelium

Answer 9

very rare. two rows of cuboidal cells, found in sweat gland ducts.

Question 10

stratified columnar epithelium

Answer 10

stacked columnar cells, found in large excretory ducts, larynx, and the cavernous urethra