Methods The ultrastructural feature of the rhomboid fossa in human fetus were examined by scanning electron microscopy.

方法用扫描电镜的方法观察了人胎儿菱形窝室管膜的超微结构。

youdao

Methods The ultrastructural feature of the rhomboid fossa in human fetus were examined by scanning electron microscopy.

方法用扫描电镜的方法观察了人胎儿菱形窝室管膜的超微结构。

youdao