title: Physiologic behavior of the in situ papillary muscles.
mesh_terms: D000818:Animals; D002815:Chordae Tendineae / Q000502:physiology; D004285:Dogs; D004562:Electrocardiography; D005112:Extracorporeal Circulation; D005260:Female; D006321:Heart / Q000502:physiology; D006339:Heart Rate; D008297:Male; D009119:Muscle Contraction; D010210:Papillary Muscles / Q000502:physiology*; D013233:Stellate Ganglion / Q000502:physiology; D014628:Vagotomy; D016276:Ventricular Function