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secretin

American  
[si-kree-tin] / sɪˈkri tɪn /

noun

Biochemistry.
  1. a polypeptide hormone, produced in the small intestine, that activates the pancreas to secrete pancreatic juice.


secretin British  
/ sɪˈkriːtɪn /

noun

  1. a peptic hormone secreted by the mucosae of the duodenum and jejunum when food passes from the stomach

"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

Etymology

Origin of secretin

First recorded in 1900–05; secrete 1 + -in 2