digestive stuff Flashcards
1
Q
how do water soluble vitamins enter circ? fat soluble?
A
water= hepatic portal vein –> liver –> systemic circ
fat soluble –> absorbed into lacteals –> thoracic duct –> enter circulation at subclavian vein –> systemic circ
2
Q
gastrin
A
increase H+
g cells in antrum, duodenum
3
Q
somatostatin
A
decrease secretion of most GI hormones
d cells (pancreatic islets, gut mucosa)
4
Q
CCK
A
inc pancreatic enzyme
inc HCO3
I cell (small I)
5
Q
secretin
A
inc pan HCOs
dec gastric H+
S cells (small i)
6
Q
motilin
A
inc GI motility
M cells (small I)
