CCK -->
medical dictionary


A 33-amino acid peptide secreted by the upper intestinal mucosa and also found in the central nervous system. It causes gallbladder contraction, release of pancreatic exocrine (or digestive) enzymes, and affects other gastrointestinal functions. Cholecystokinin may be the mediator of satiety.

Chemical name: Cholecystokinin

Abbreviation: CCK

(12 Dec 1998)