parasympathetic
/pɛrʌsɪmpʌθˈɛtɪk/
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Definitions
Adjective
of or relating to the parasympathetic nervous system
Noun
originates in the brain stem and lower part of the spinal cord; opposes physiological effects of the sympathetic nervous system: stimulates digestive secretions; slows the heart; constricts the pupils; dilates blood vessels