What is the meaning of sympathetic nervous system?

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. .
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). sympathetic nervous system. Retrieved September 23, 2026, from http://smartdefine.org/sympathetic_nervous_system/definitions/1213242
ChicagoWordNet. 2010. "sympathetic nervous system" http://smartdefine.org/sympathetic_nervous_system/definitions/1213242 (accessed September 23, 2026).
HarvardWordNet 2010, sympathetic nervous system, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/sympathetic_nervous_system/definitions/1213242>.
MLAWordNet. "sympathetic nervous system" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/sympathetic_nervous_system/definitions/1213242>