这个词是什么意思？
A guanidine that opens POTASSIUM CHANNELS producing direct peripheral vasodilatation of the ARTERIOLES. It reduces BLOOD PRESSURE and peripheral resistance and produces fluid retention. (Martindale The Extra Pharmacopoeia, 31st ed)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D020110 · MeSH 2026。
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