histamine
Ball-and-stick model of histamine. Blue balls represent nitrogen atoms; black balls represent carbon atoms; and white balls represent hydrogen atoms.
Meaning
Noun
- An amine, C5H9N3, formed by decarboxylation of histidine, that causes dilatation of capillaries, contraction of smooth muscle, and stimulation of gastric acid secretion; it is released during allergic reactions.
Origin
Modern English dictionary
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