Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun sympathetic_nervous_system

1 sense of sympathetic nervous system

Sense 1
sympathetic nervous system -- (originates in the thoracic regions of the spinal cord; opposes physiological effects of the parasympathetic: reduces digestive secretions; speeds the heart; contracts blood vessels)
       => nervous system, systema nervosum -- (the sensory and control apparatus consisting of a network of nerve cells)