Methods:The sinuatrial node(SAN) and the atrioventricular node(AVN) were observed in 5 guinea pigs with a transmissive electron microscope.
方法:对5例豚鼠心脏的窦房结和房室结,进
电镜观察。
Methods:The sinuatrial node(SAN) and the atrioventricular node(AVN) were observed in 5 guinea pigs with a transmissive electron microscope.
方法:对5例豚鼠心脏的窦房结和房室结,进电镜观察。
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