Part of the nervous system that controls unconscious functions of the internal organs. It is split into two divisions (sympathetic system and parasympathetic system) that have opposite effects on the body. Related Articles: Glossary: Parasympathetic Nervous SystemGlossary: Sympathetic Nervous SystemAutonomic DysreflexiaEmergency and Hospital CareOrthostatic Hypotension (Postural Hypotension)
