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胃的分泌液就叫胃液。正常成年人每日分泌的胃液约为1.5—2.5升。其成分包括粘蛋白、消化酶、盐酸、钠、钾、氯化物等。盐酸(即胃酸),能激活胃蛋白酶元,对食入的食物进行消化分解。当胃酸进入小肠后,还可促进胰液、肠液、胆汁的分泌,更增强其消化吸收功能;使其变成精微地能被小肠直接吸收和人体直接利用的养分;又通过血液循环输送到全身。
Stomach secretion is called gastric juice. Normal adult daily secretion of gastric juice is about 1.5-2.5 liters. Its components include mucins, digestive enzymes, hydrochloric acid, sodium, potassium, chloride and so on. Hydrochloric acid (ie, gastric acid), which activates pepsin, digests ingested food. When the stomach acid into the small intestine, but also to promote the secretion of pancreatic juice, intestinal juice, bile, but also enhance its digestion and absorption function; make it into a micro-can be directly absorbed by the small intestine and the direct use of nutrients; also transported through the blood circulation to the body.