这个词是什么意思？
Small band of specialized CARDIAC MUSCLE fibers that originates in the ATRIOVENTRICULAR NODE and extends into the membranous part of the interventricular septum. The bundle of His, consisting of the left and the right bundle branches, conducts the electrical impulses to the HEART VENTRICLES in generation of MYOCARDIAL CONTRACTION.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D002036 · MeSH 2026。
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