- a polypeptide hormone, produced in the small intestine, that activates the pancreas to secrete pancreatic juice.
Origin of secretin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for secretin
Of interest also is the rate at which we get complete destruction of secretin.
Secretin is not absorbed in active form from the alimentary tract.
In these studies the methods employed were those by which secretin was discovered.
Secretin is quickly destroyed by gastric juice and by trypsin.
This acid, on striking the lining of the small intestine, causes the formation in its walls of a substance known as secretin.A Civic Biology
George William Hunter
- a peptic hormone secreted by the mucosae of the duodenum and jejunum when food passes from the stomach
C20: from secretion + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- A polypeptide hormone produced in the duodenum, especially on contact with acid, that stimulates secretion of pancreatic juice.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.