cho.le.cys.to.ki.nin
n.Abbr. CCK（名词）缩写 CCKA hormone produced principally by the small intestine in response to the presence of fats, causing contraction of the gallbladder, release of bile, and secretion of pancreatic digestive enzymes.Also called pancreozymin 缩胆囊素：主要由小肠对脂肪存在作出反应而产生的一种激素，会导致胆囊收缩、胆汁释放以及胰消化酶的分泌也作 pancreozymin
