Virtual Microscopy Flashcards
1
Q
epithelium lining stomach
A
simple columnar
2
Q
epithelium lining duodenum
A
simple columnar
3
Q
the duodenum is characterized by the presence of what?
A
submucosal glands (of Brunner)
4
Q
function of Brunner’s glands
A
secrete alkaline mucus to neutralize acidic chyme
5
Q
explain the difference in polarity of secretory granules in an enteroendocrine cell vs. a Paneth cell
A
basally in enteroendocrine cells because they secrete hormones into the bloodstream; apically in Paneth cells because they secrete their enzymes into the lumen of the gut
6
Q
epithelium lining colon
A
simple columnar
7
Q
unique histology of anus
A
stratified squamous epithelium, sweat glands, sebaceous glands, hair follicles; submucosa contains large veins of rectal venous plexus
