The relationship between active constriction and passive recoil of the veins at various distending pressures.
D000818:Animals; D001783:Blood Flow Velocity; D001794:Blood Pressure; D001810:Blood Volume; D002415:Cats; D009130:Muscle, Smooth / Q000502:physiology; D011312:Pressure; D014655:Vascular Resistance / Q000502:physiology; D014680:Veins / Q000502:physiology*