title: Systemic venular insufficiency.
mesh_terms: D003490:Cyanosis / Q000209:etiology; D004487:Edema / Q000209:etiology; D005260:Female; D005528:Foot; D006225:Hand; D006257:Head; D006484:Hemorrhoids / Q000209:etiology; D006801:Humans; D008875:Middle Aged; D009130:Muscle, Smooth / Q000503:physiopathology; D009333:Neck; D009506:Nevus / Q000209:etiology; D011187:Posture; D012878:Skin Neoplasms / Q000209:etiology; D014648:Varicose Veins / Q000209:etiology; D014652:Vascular Diseases / Q000503:physiopathology*; D014680:Veins / Q000503:physiopathology*