Definition of secretin in English:

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Pronunciation: /səˈkrēdən/


A hormone released into the bloodstream by the duodenum (especially in response to acidity) to stimulate secretion by the liver and pancreas.
Example sentences
  • The duodenum is important in the secretion of a number of hormones, including secretin, cholecystokinin, and enteroglucagon.
  • The hormone secretin has been tried as a treatment for autism.
  • Several months later we learned about gluten- and casein-free diets, secretin, and intravenous immunoglobulin therapy.


Early 20th century: from secretion + -in1.

For editors and proofreaders

Syllabification: se·cre·tin

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