a hormone secreted by duodenal cells that stimulates the contraction of the gall bladder and secretion of pancreatic enzymes
Also called: pancreozymin
cholecystokinin in American English
(ˌkɑləˌsɪstəˈkaɪnɪn)
noun
a polypeptide hormone secreted by the upper intestinal lining, that activates the gallbladder and pancreas: its presence in the brain is associated with loss of appetite