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Definition of Sympathetic nervous system
1. Noun. Originates in the thoracic regions of the spinal cord; opposes physiological effects of the parasympathetic: reduces digestive secretions; speeds the heart; contracts blood vessels.
Generic synonyms: Nervous System, Systema Nervosum
Group relationships: Ans, Autonomic Nervous System
Terms within: Splanchnic Nerve, Abdominal Nerve Plexus, Coeliac Plexus, Plexus Celiacus, Solar Plexus, Alpha Receptor, Alpha-adrenergic Receptor, Alpha-adrenoceptor, Beta Receptor, Beta-adrenergic Receptor, Beta-adrenoceptor
Group relationships: Ans, Autonomic Nervous System
Terms within: Splanchnic Nerve, Abdominal Nerve Plexus, Coeliac Plexus, Plexus Celiacus, Solar Plexus, Alpha Receptor, Alpha-adrenergic Receptor, Alpha-adrenoceptor, Beta Receptor, Beta-adrenergic Receptor, Beta-adrenoceptor
Lexicographical Neighbors of Sympathetic Nervous System
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