Effect of thoracic and abdominal pressure changes on the epidural space pressure.
D000818:Animals; D002555:Cerebrospinal Fluid / Q000502:physiology; D004285:Dogs; D004388:Dura Mater / Q000502:physiology*; D006801:Humans; D007601:Jugular Veins / Q000502:physiology; D011312:Pressure; D012119:Respiration; D014636:Valsalva Maneuver; D014682:Vena Cava, Inferior / Q000502:physiology*; D014683:Vena Cava, Superior / Q000502:physiology*