cholecystokinin
noun
cho·le·cys·to·ki·nin ˌkō-lə-ˌsi-stə-ˈkī-nən 
: a hormone secreted especially 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
Word History
Etymology
New Latin cholecystis + English -o- + kinin
First Known Use
circa 1929, in the meaning defined above
Medical Definition
cholecystokinin
noun
cho·le·cys·to·ki·nin -ˌsis-tə-ˈkī-nən
: a hormone secreted especially 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