sympathetic nervous system

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sympathetic nervous system Meaning of "sympathetic nervous system"

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Definition(s):

  • (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

Usage(s):

  1. Through these lymphatic channels any infection of the neck can spread and affect the sympathetic nervous system which serves the neck and eye sockets.
  2. The medulla originally buds off from the same cells which provide the sympathetic nervous system.
  3. Emotions affect the skin by first disturbing the sympathetic nervous system, then the blood vessels, muscles and nutrition of the skin itself.
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altruism
/ˈæl tru ˌɪ zəm /

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