A 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.

• 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。