histamine

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noun his·ta·mine \ ˈhi-stə-ˌmēn , -mən \

Definition of histamine

:a compound C5H9N3 especially of mammalian tissues that causes dilation of capillaries, contraction of smooth muscle, and stimulation of gastric acid secretion, that is released during allergic reactions, and that is formed by decarboxylation of histidine

Recent Examples of histamine from the Web

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Origin and Etymology of histamine

International Scientific Vocabulary hist- + amine


HISTAMINE Defined for English Language Learners

histamine

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noun

Definition of histamine for English Language Learners

  • medical : a chemical substance in the body that causes the symptoms that people experience when they are allergic to something


Medical Dictionary

histamine

play
noun his·ta·mine \ ˈhis-tə-ˌmēn , -mən \

medical Definition of histamine

:a compound C5H9N3 especially of mammalian tissues that causes dilatation of capillaries, contraction of smooth muscle, and stimulation of gastric acid secretion, that is released during allergic reactions, and that is formed by decarboxylation of histidine

histaminic

play \ˌhis-tə-ˈmin-ik\ adjective


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