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n. A polypeptide hormone produced in the duodenum, especially on contact with acid, to stimulate secretion of pancreatic juice.

n. A peptide hormone, secreted by the duodenum, that serves to regulate its acidity

n. A peculiar substance which is derived from the mucous membrane of the intestinal tract and, after absorption into the blood-current, stimulates the pancreas and possibly also the salivary glands to secretion. The substance is supposedly present in the epithelial cells of the intestinal mucosa in an inactive form which is termed prosecretin. Of its chemical nature nothing is known, but it appears certain that secretin is not a ferment.

n. a gastrointestinal hormone that stimulates the secretion of water and bicarbonate from the pancreas and bile ducts whenever the stomach empties too much acid into the small intestine

"To help make sense of available research, the federal Agency for Healthcare Research and Quality commissioned scientists to examine three types of treatment: behavioral therapy, antipsychotic and antidepressant drugs, and an enzyme called secretin."

gi hormones    gastrointestinal hormone