Meaning of cholecystokinin

cho•le•cys•to•ki•nin

Pronunciation: (kō"lu-sis"tu-kī'nin, kol"u-), [key]
— n.
  1. a hormone secreted by the upper portion of the intestine that stimulates contraction of the gallbladder and increases secretion of pancreatic juice. Abbr.: CCK
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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