The sinuatrial node(SAN) and the atrioventricular node(AVN) were observed in 5 guinea pigs with a transmissive electron microscope.
对5例豚鼠心脏
窦房结和房
结,进行透射电镜观察。
,房;,脑,心;;;;,天生;
脉窦;;;传导
滞；房
]房结The sinuatrial node(SAN) and the atrioventricular node(AVN) were observed in 5 guinea pigs with a transmissive electron microscope.
对5例豚鼠心脏窦房结和房结,进行透射电镜观察。
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