polypeptide hormone secreted by the mucous lining of the stomach; induces the secretion of gastric juice
gastrin详细解释
gas.trin n.（名词）A hormone secreted by glands in the mucous membrane of the stomach that stimulates the production of gastric juice.促胃液素，胃泌激素：由胃粘膜中的腺体排出的一种激素，刺激胃液的产生
