Medical Dictionary


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
his·ta·min·ic \ˌhis-tə-ˈmin-ik\ adjective
May 22, 2015
nepotism Hear it
favoritism based on kinship
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