这个词是什么意思？
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.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D006632 · MeSH 2026。
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