histamine amine formed from histidine that stimulates gastric secretions and dilates blood vessels; released by the human immune system during allergic reactions
amine -
Any organic compound containing an amine functional group.
Wikipedia
Amines are organic compounds and functional groups that contain a basic nitrogen atom with a lone pair. Amines are derivatives of ammonia, wherein one or more hydrogen atoms have been replaced by a substituent such as an alkyl or aryl group. Important amines include amino acids, biogenic amines, trimethylamine, and aniline; see :Category:Amines for a list of amines.
OmegaWiki Dictionary
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amine One of a class of organic compounds which can be considered to be derived from ammonia by replacement of one or more hydrogens by organic radicals.\n(Source: MGH)