胰蛋白酶 yídànbáiméi trypsin Definitions Defs Origin Strokes Stroke Words Sentences Sents 胰 yí noun pancreas pancreas; a gland in the abdomen that produces digestive enzymes and insulin; also referred to as 胰腺 yíxiàn or 胰脏 yízàng蛋白酶 dànbáiméi protease An enzyme that breaks down proteins into amino acids for absorption; it plays a key role in metabolism and biological regulation and is found mainly in humans and animals.