D006632Level 6

Histamine

**Definition:** An amine derived by enzymatic decarboxylation of HISTIDINE. It is a powerful stimulant of gastric secretion, a constrictor of bronchial smooth muscle, a vasodilator, and also a centrally acting neurotransmitter.

**Tree numbers:** - D02.092.211.215.501 - D02.092.471.440 - D03.383.129.308.373 - D23.469.050.300

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D008761Methylhistamines

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