Definition of secretin in English:


Syllabification: se·cre·tin
Pronunciation: /siˈkrētn


  • A hormone released into the bloodstream by the duodenum (especially in response to acidity) to stimulate secretion by the liver and pancreas.
    More 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.

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