It is the lower, or inferior, part of the vena cava—a large vein also made up of the superior vena cava that carries blood from the head, neck, arms, and chest in the upper body to the heart.

The venous anatomy of the lower leg is made up of two ... In addition, the profunda femoris vein drains the upper leg and serves as a tributary to the common femoral vein. The deep and superficial ...