It is well established that the cardial contraction is initiated when an action potential depolarizes the sarcolemma.
确证，心肌收缩始于动作电位使肌膜去极化。
质;内
;
;;质;;
,脑,心;
元;It is well established that the cardial contraction is initiated when an action potential depolarizes the sarcolemma.
确证，心肌收缩始于动作电位使肌膜去极化。
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