title: Varicose veins: hemodynamic phenomenon or primary wall defect? Which is the egg and which is the hen?
mesh_terms: D003097:Collateral Circulation; D006439:Hemodynamics; D006801:Humans; D035002:Lower Extremity; D009119:Muscle Contraction; D018482:Muscle, Skeletal / Q000098:blood supply*; D018919:Neovascularization, Physiologic; D012008:Recurrence; D012039:Regional Blood Flow; D012307:Risk Factors; D012501:Saphenous Vein / Q000473:pathology / Q000503:physiopathology*; D014648:Varicose Veins / Q000209:etiology / Q000473:pathology / Q000503:physiopathology*; D014689:Venous Insufficiency / Q000209:etiology / Q000473:pathology / Q000503:physiopathology*; D014690:Venous Pressure