noun. a gastrointestinal hormone that stimulates the secretion of pancreatic enzymes and the contraction and emptying of the gall bladder; its release is stimulated by the presence of fatty acids and amino acids in the small intestine.
- GI hormones
- cholecysto- (English)
- kinin (English)
Example sentences of the word cholecystokinin
1. Noun, singular or mass
Upon entering your stomach, fats stimulate the release of cholecystokinin, or CCK, from the cells that line your duodenum, which is the first segment of your small intestine.