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  1. Oxford American Dictionary

    sinoatrial

    • IPA[ˌsīnōˈātrēəl]

    美式

    • adj.
      relating to the sinoatrial node, a small body of muscle fibers in the heart responsible for initiating the heartbeat
    • 釋義

    形容詞

    • 1. relating to the sinoatrial node, a small body of muscle fibers in the heart responsible for initiating the heartbeat permanent pacemakers have an important role in the management of sinoatrial dysfunction