title: Theories of pain and congenital universal insensitivity to pain.
mesh_terms: D000344:Afferent Pathways / Q000502:physiology; D004525:Efferent Pathways / Q000502:physiology; D006801:Humans; D008032:Limbic System / Q000502:physiology / Q000503:physiopathology; D000699:Pain Insensitivity, Congenital / Q000145:classification / Q000209:etiology* / Q000503:physiopathology; D012154:Reticular Formation / Q000502:physiology / Q000503:physiopathology; D012677:Sensation / Q000502:physiology; D013133:Spinothalamic Tracts / Q000502:physiology; D013376:Substantia Gelatinosa / Q000502:physiology; D009435:Synaptic Transmission; D013577:Syndrome