Gastrin Flashcards
1
Q
what does gastrin increase?
A
pepsinogen secretion
acid secretion by parietal cells, pepsinogen and IF secretion
gastric motility
1
Q
what does gastrin stimulate?
A
parietal cell maturation
2
Q
what is gastrin stimulated by?
A
distention of the stomach
vagus nerve - mediated by the gastrin-releasing peptide
luminal peptides/amino acids
3
Q
what inhibits gastrin secretion?
A
low antral pH
somatostatin
4
Q
where is gastrin secreted from?
A
G cells in the antrum of the stomach
