This orifice (of what?) can be indirectly anastomosed by using a bridging vein or directly anastomosed to an opening with similar diameter and form of the inferior vena cava.
这个口子可以用一根架桥静脉或直接地缝到下腔静脉上相似大小和形状的开口上。
There is much diversity in the diameter of inferior vena cava above and below fetal liver.
胎儿肝上、肝下下腔静脉直径差异较大。
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