Cholecystokinin: Abbreviated CCK. A polypeptide hormone that stimulates the contraction of the gallbladder with release of bile and the secretion of pancreatic enzymes into the small intestine. CCK is secreted by cells lining the upper intestine and by the hypothalamus. Hypothalamic cholecystokinin is a neurotransmitter. Called also pancreozymin.
Library > Literature & Language > Dictionary ( kÅ ' lÄ-sÄs ' tÉ™-kÄ« ' nÄn ) n. ( Abbr. CCK ) A hormone produced principally by the small intestine in response to ...
Cholecystokinin plays a key role in facilitating digestion within the small intestine. It is secreted from mucosal epithelial cells in the first segment of the small ...
cholecystokinin /cho·le·cys·to·ki·nin/ (CCK) (-ki´nin) a polypeptide hormone secreted in the small intestine that stimulates gallbladder contraction and ...
–noun a hormone secreted by the upper portion of the intestine that stimulates contraction of the gallbladder and increases secretion of pancreatic juice ...
cho·le·cys·to·ki·nin (k l-s s t-k n n) n. Abbr. CCK. A hormone produced principally by the small intestine in response to the presence of fats, causing ...