Vascular caliber.
D000783:Aneurysm / Q000503:physiopathology; D001011:Aorta / Q000033:anatomy & histology / Q000502:physiology; D001775:Blood Circulation; D001783:Blood Flow Velocity; D001808:Blood Vessels / Q000033:anatomy & histology* / Q000502:physiology / Q000503:physiopathology; D004727:Endothelium / Q000166:cytology / Q000502:physiology; D006439:Hemodynamics; D006801:Humans; D009130:Muscle, Smooth / Q000502:physiology; D012212:Rheology