释义 |
azygos continuation (of the inferior vena cava) az·y·gos con·tin·u·a·tion (of the in·fe·ri·or ve·na ca·va)a congenital anomaly in which the infrahepatic portion of the vena cava fails to form, and venous drainage of the lower body is maintained through a persistent right supracardinal vein, which becomes a large azygos vein. |