Search Result for "secretin": 
Wordnet 3.0

NOUN (1)

1. 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; 



WordNet (r) 3.0 (2006):

secretin
    n 1: 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