It is well established that the cardial contraction is initiated when an action potential depolarizes the sarcolemma.
已经
，
肌收缩始于动作电位使肌
去极化。
It is well established that the cardial contraction is initiated when an action potential depolarizes the sarcolemma.
已经，肌收缩始于动作电位使肌去极化。
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