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sympathetic nervous system

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 Definition: [n]  originates in the thoracic regions of the spinal cord; opposes physiological effects of the parasympathetic: reduces digestive secretions; speeds the heart; contracts blood vessels
 
 See Also: abdominal nerve plexus, alpha receptor, alpha-adrenergic receptor, alpha-adrenoceptor, ANS, autonomic nervous system, beta receptor, beta-adrenergic receptor, beta-adrenoceptor, coeliac plexus, nervous system, plexus celiacus, solar plexus, splanchnic nerve, systema nervosum

 

 

 

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