1.The myocardial cell is enclosed by the sarcolemma.
漢心肌細胞由肌膜包裹。
2.It is well established that the cardial contraction is initiated when an action potential depolarizes the sarcolemma.
漢已經確證,心肌收縮始于動作電位使肌膜去極化。
1. an extensible membrane enclosing the contractile substance of a muscle fiber