The measurement of flow in intact blood vessels.
D001775:Blood Circulation; D001783:Blood Flow Velocity; D001794:Blood Pressure; D001808:Blood Vessels / Q000502:physiology; D001810:Blood Volume; D004566:Electrodes; D006321:Heart / Q000502:physiology; D006400:Hematocrit; D006801:Humans; D008280:Magnetics; D011674:Pulse; D013057:Spectrum Analysis; D014463:Ultrasonography; D014652:Vascular Diseases / Q000175:diagnosis