Gastrin
Main Entry: gas·trin
Pronunciation: gas-tr n
Function: noun
: any of various polypeptide hormones that are secreted by the gastric mucosa and induce secretion of gastric juice
Gastrin is a major physiological regulator of gastric acid secretion. It also has an important trophic or growth-promoting influence on the gastric mucosa. Gastrin is synthesized in G cells, which are located in gastric pits, primarily in the antrum region of the stomach and binds receptors found predominantly on parietal and enterochromaffin-like cells
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