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parasympathetic
(redirected from parasympathetic cholinergic vasodilator fibers)

   Also found in: Medical 0.04 sec.
par·a·sym·pa·thet·ic  (pr-smp-thtk)
adj.
Of, relating to, or affecting the parasympathetic nervous system: parasympathetic activity; parasympathetic agents.
n.
1. The parasympathetic nervous system.
2. Any of the nerves of this system.

para·sympa·theti·cal·ly adv.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.parasympathetic - 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
nervous system, systema nervosum - the sensory and control apparatus consisting of a network of nerve cells
ANS, autonomic nervous system - the part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands
Adj.1.parasympathetic - of or relating to the parasympathetic nervous system

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