CHOLECYSTOKININ

[cho.le.cys.to.ki.nin] n [NL cholecystis + E -o- + kinin] (ca. 1929): a hormone secreted esp. by the duodenal mucosa that regulates the emptying of the gallbladder and secretion of enzymes by the pancreas and that has been found in the brain--called also cholecystokinin-pancreozymin, pancreozymin