The femoral vein, which passes fairly close to the outer surface of the upper thighs, arises from smaller branches to return blood to the heart from the muscles and superficial tissues in the thigh. It also receives blood from the skin of the groin and lower abdominal wall. Important branches of the femoral vein include: (1) superficial circumflex iliac vein from the lymph nodes and the skin of the Continue Scrolling To Read More Below...