这个词是什么意思？
A class of drugs that act by inhibition of sodium influx through cell membranes. Blockade of sodium channels slows the rate and amplitude of initial rapid depolarization, reduces cell excitability, and reduces conduction velocity.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D026941 · MeSH 2026。
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