Gastrin definitions

găs'trĭn
A hormone secreted by glands in the mucous membrane of the stomach that stimulates the production of gastric juice.
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A polypeptide hormone secreted in the stomach, that stimulates production of gastric juice.
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A hormone secreted by glands in the mucous membrane of the stomach that stimulates the production of gastric juice.
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(biochemistry) A hormone that stimulates the production of gastric acid in the stomach.
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Origin of gastrin

Ancient Greek γαστήρ (gastēr) + -in