Synonyme UMLS : Venous system of lower extremity, NOS; Set of veins of lower limb; Vein of lower extremity; Structure of venous system of lower extremity; Venae membri inferioris; 494-496 VEINS OF LOWER EXTREMITIES; Lower extremity veins; Veins of lower limb; Veins of lower extremity, NOS; VEINS OF LOWER EXTREMITIES; Structure of vein of lower extremity;