用血管塑料铸型、电镜扫描观察的方法，对皮肤静脉瓣膜形成过程中不同阶段的形态变化进行了研究。

By the technique of vascular cast and scanning electron microscopy, the shape of superficial venous valves at each developping stage was studied.

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用血管塑料铸型、电镜扫描观察的方法，对皮肤静脉瓣膜形成过程中不同阶段的形态变化进行了研究。

By the technique of vascular cast and scanning electron microscopy, the shape of superficial venous valves at each developping stage was studied.

youdao