Sympathetic Nervous System Definition
sĭmpə-thĕtĭk
noun
The part of the autonomic nervous system originating in the thoracic and lumbar regions of the spinal cord that in general inhibits or opposes the physiological effects of the parasympathetic nervous system, as in tending to reduce digestive secretions, speed up the heart, and contract blood vessels.
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Other Word Forms of Sympathetic Nervous System
Noun
Singular:
sympathetic nervous systemPlural:
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