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parasympathetic

Syllabification: (par·a·sym·pa·thet·ic)

Pronunciation: /ˌparəˌsimpəˈTHetik/

Definition of parasympathetic

adjective

Physiology

of or relating to the part of the automatic nervous system that counterbalances the action of the sympathetic nerves. It consists of nerves arising from the brain and the lower end of the spinal cord and supplying the internal organs, blood vessels, and glands.