Search Result for "sympathetic nervous system":
Wordnet 3.0

NOUN (1)

1. 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 (r) 3.0 (2006):

sympathetic nervous system
    n 1: originates in the thoracic regions of the spinal cord;
         opposes physiological effects of the parasympathetic:
         reduces digestive secretions; speeds the heart; contracts
         blood vessels