In human anatomy,<unk>  refers to several anatomical structures located in the pelvis:
External<unk>  - terminates at the common<unk> , drains the femoral vein.
Internal<unk>  - terminates at the common<unk> , drains pelvic organs and perineum.
Common<unk>  - formed by the external and internal<unk> s, drains into the inferior vena cava.
Iliac vein
Brachiocephalic vein
Femoral vein
Internal jugular vein
Subclavian vein
Basilic vein
Popliteal vein
Splenic vein