011615 vm

Question 1

small intestine- general surface looks like? as compared to stomach?

Answer 1

sm intestine has villi, whereas stomach has gastric pits
sm intestine has Brunner’s glands
stomach doesn’t have Brunner’s glands in submucosa

Question 2

Brunner’s glands look like

Answer 2

white splotches in submucosa

Question 3

fxn of Brunner’s glands

Answer 3

secrete alkaline mucus to neutralize acidic chyme

Question 4

basophilic cells in submucosa and lamina propria of duodenum are

Answer 4

lymphocytes (gut-associated lymphatic tissue-GALT)

Question 5

in sm intes, the spaces btwn the villi are called

Answer 5

intestinal crypts of Lieberkuhn

Question 6

what kind of epithelium covers a villus?

Answer 6

simple columnar

Question 7

appearance of Paneth cells and enterendocrine cells, and where are they located?

Answer 7

crypts of Lieberkuhn

Paneth cells-eosinophilic with secretory granules in apical cytoplasm

enteroendocrine cells-clear cytoplasm with secretory granules in basal cytoplasm

Question 8

Brunner’s glands up close look like?

Answer 8

columnar cells with basally located nuclei

Question 9

myenteric plexus looks like what?

Answer 9

large cell bodies, large nuclei and prominent nucleoli