gastric juice

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gastric juice Fluid comprising a mixture of substances, including pepsin and hydrochloric acid, secreted by glands of the stomach. Its principal function is to break down proteins into polypeptides during digestion.

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gastric juice An acidic mixture of inorganic salts, hydrochloric acid, mucus, and pepsinogens secreted by gastric glands in the stomach lining.

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gas·tric juice • n. a thin, clear, virtually colorless acidic fluid secreted by the stomach glands and active in promoting digestion.