stomach physio Flashcards
1
Q
neurocrine regulation
A
GRP
2
Q
paracrine regulation
A
histamine
3
Q
peptide hormones
A
gastrin (Gcell), somatostatin (Dcell)
4
Q
parietal cells release
A
intrinsic factor, HCL
5
Q
chief cells release
A
pepsinogen
6
Q
what increases parental activity
A
histamine, gastrin, ACH
7
Q
what activate G cells
A
AA/peptides and stretching (GRP)
8
Q
what inactivates G cells
A
somatostatin (from D cells… active with high H+)
9
Q
gastrin acts on what cells
A
parietal, cheif, ECL
10
Q
ECL cells release what
A
histamine
11
Q
cephalic phase hormone activation
A
ach and gastrin (both vagus nerve!)