Sympathetic regulation of the cardiac activity.
D000818:Animals; D001011:Aorta; D001794:Blood Pressure; D002415:Cats; D003714:Denervation; D004285:Dogs; D006321:Heart / Q000502:physiology; D006329:Heart Conduction System; D006470:Hemorrhage / Q000503:physiopathology; D009119:Muscle Contraction; D012018:Reflex; D013564:Sympathetic Nervous System / Q000502:physiology* / Q000503:physiopathology; D014628:Vagotomy