adj. Of or relating to the part of the autonomic nervous system that inhibits or opposes the effects of the sympathetic nervous system.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. of or relating to the parasympathetic nervous system
n. 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
Word Usage
"Once the threat has diminished, the part of our bodies known as the parasympathetic nervous system then brings everything back into order."