Autonomic nervous system

autonomic nervous system

n.

The part of the nervous system that regulates involuntary action, as of the intestines, smooth muscle, heart, and glands, and that is divided into two physiologically and anatomically distinct, mutually antagonistic systems, the sympathetic nervous system and the parasympathetic nervous system.

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Autonomic nervous system (ANS)

The part of the nervous system that supplies nerve endings in the blood vessels, heart, intestines, glands, and smooth muscles, and governs their involuntary functioning. The autonomic nervous system is responsible for the biochemical changes involved in experiences of anxiety.

Mentioned in: Anxiety, Biofeedback, Dizziness, Guided Imagery, Shy-Drager Syndrome, Spinal Cord Injury

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autonomic nervous system (·tō·nˑ·mik nerˑ·vs siˑ·stm),

n involuntary nervous system con-sisting of the sympathetic and the parasympathetic subsystems.

Autonomic nervous system.