Secretin

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secretin

(Science: hormone) peptide hormone of gastrointestinal tract (27 residues) found in the mucosal cells of duodenum. Stimulates pancreatic, pepsin and bile secretion, inhibits gastric acid secretion. Considerable homology with gastric inhibitory peptide, vasoactive intestinal peptide and glucagon. Peptic hormone produced by the mucous lining of the small intestine; can stimulate secretion by the pancreas and liver.A type of [[hormone that promotes the secretion of bile from the liver.