Definition of gastrin in English:

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gastrin

Pronunciation: /ˈɡastrɪn/

noun

[mass noun] Biochemistry
A hormone which stimulates secretion of gastric juice and is secreted into the bloodstream by the stomach wall in response to the presence of food.
Example sentences
  • The tumors secrete the hormone gastrin, which results in excess acid production and often peptic ulcer disease.
  • These tumors, called gastrinomas, secrete large amounts of the hormone gastrin, which causes excessive production of acid by your stomach, leading to peptic ulcers.
  • The molecule closely simulates the hormone gastrin, which is involved with hydrochloric acid secretion.

Origin

Early 20th century: from gastric + -in1.

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