Medical Dictionary
cholecystokinin
noun cho·le·cys·to·ki·nin \-ˌsis-tə-ˈkī-nən\
Medical Definition of CHOLECYSTOKININ
: 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
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