Cardiomyocytes in the sinoatrial node This image shows a section of the sinoatrial node, a pacemaking area of the right atrium of the heart.
窦房结的心肌细胞：这张图显示了窦房结的切面，右心房的一块起搏区。
Observation in vivo showed that pacemaking in SA node and conducting in AV node area were inhibited.
在整体动物实验中，观察到对窦房结起搏活动、房室传导的抑制。
Observation in vivo showed that pacemaking in SA node and conducting in AV node area were inhibited.
在整体动物实验中，观察到对窦房结起搏活动、房室传导的抑制。
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