Superior vena caval

• 上腔静脉的

Superior vena caval的用法和样例：

例句

1. The posterior borders of the left ventricle and inferior vena cava are well seen.
   左心室和下腔静脉的后界看得很清楚。
2. Its etiology is assumed to be abnormal embryologic development of the inferior vena cava as a result of atrophy failure of the right subcardinal vein in the lumbar portion.
   导因为下腔静脉的异常胚胎发展结果导致在腰部的右侧心下静脉未萎缩。