这个词是什么意思？
An alpha-adrenergic sympathomimetic amine, biosynthesized from tyramine in the CNS and platelets and also in invertebrate nervous systems. It is used to treat hypotension and as a cardiotonic. The natural D(-) form is more potent than the L(+) form in producing cardiovascular adrenergic responses. It is also a neurotransmitter in some invertebrates.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D009655 · MeSH 2026。
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