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secretin

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia, Hutchinson 0.03 sec.
secretin /se·cre·tin/ (se-kre´tin) a hormone secreted by the duodenal and jejunal mucosa when acid chyme enters the intestine; it stimulates secretion of pancreatic juice and, to a lesser extent, bile and intestinal secretion.
se·cre·tin (s-krtn)
n.
A polypeptide hormone produced in the duodenum, especially on contact with acid, that stimulates secretion of pancreatic juice.

secretin
a hormone secreted by the mucosa of the duodenum and jejunum when acid chyme enters the intestine; carried by the blood, it stimulates the secretion of pancreatic juice and, to a lesser extent, bile and intestinal secretion.

secretin test
an examination of the gastric and duodenal contents after intravenous administration of exogenous secretin; useful in the diagnosis of disorders affecting pancreatic exocrine function, for example, pancreatitis and neoplastic disease.


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