Definition of gastrin in English:

gastrin

Syllabification: gas·trin
Pronunciation: /ˈgastrin
 
/

noun

Biochemistry
  • A hormone that stimulates secretion of gastric juice, and is secreted into the bloodstream by the stomach wall in response to the presence of food.
    More 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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