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Important veins of the leg include the internal and external iliac veins, femoral vein, saphenous vein, popliteal vein, tibial vein, and the venous arch of the foot. Nerves in the leg send messages to the brain, including indications of heat, pain, and movement.
This propels blood up the leg until it can empty into large veins like the femoral vein and then travel back to the heart via the iliac veins and inferior vena cava. The superficial veins are also influenced by the musculevenous pump although not to the extent as the deep veins.