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
Source: WordNetAutonomic nervous system Components and connections of the parasympathetic nervous system The autonomic nervous system controls a wide range of involuntary and unconscious body functions. Source: Internet
In the parasympathetic nervous system the output connections—the projections from ganglion neurons to tissues that don't belong to the nervous system—also release acetylcholine, acting on muscarinic receptors. Source: Internet
The sympathetic nervous system is activated in cases of emergencies to mobilize energy, while the parasympathetic nervous system is activated when organisms are in a relaxed state. Source: Internet
The function of the parasympathetic nervous system is to put the body in a state conducive to rest, regeneration, digestion, and reproduction: it is sometimes described using the slogans "rest and digest" or "feed and breed". Source: Internet