parasympathetic nervous system


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parasympathetic nervous system

n.
The part of the autonomic nervous system originating in the brainstem and the lower part of the spinal cord that, in general, inhibits or opposes the physiological effects of the sympathetic nervous system, as in tending to stimulate digestive secretions, slow the heart, constrict the pupils, and dilate blood vessels.

par·a·sym·pa·thet·ic nervous system

(păr′ə-sĭm′pə-thĕt′ĭk)
The part of the autonomic nervous system that tends to act in opposition to the sympathetic nervous system, as by slowing down the heart and dilating the blood vessels. It also regulates the function of many glands, such as those that produce tears and saliva.

parasympathetic nervous system

The part of the autonomic nervous system that controls rest and digestion.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.parasympathetic nervous system - 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
Translations
parasympatická nervová soustava
parasympaattinen hermostoparasympatikus
References in periodicals archive ?
The key issue is the balance of the sympathetic and parasympathetic nervous systems (which have nothing to do with your feelings toward the boxer).
Thus the archaeal synthesis of acetyl choline and catecholamines can regulate the sympathetic and parasympathetic nervous system contributing to metabolic syndrome x, autoimmune disease and malignancy.
The team analysed the activity of the participants' cardiac vagal tone--a measure of how strongly the parasympathetic nervous system (PNS) influences the heart.
This is precisely where acupuncture may intervene, by bringing these processes back into balance - it influences the autonomic sympathetic nervous system (excitation), boosts the parasympathetic nervous system (relaxation), and also has an anti-inflammatory affect.
Further, he conceptualized the sympathetic nervous system in its role as accelerator and the parasympathetic nervous system as brake.
The ventral vagus nerve is, in phylogenetic terms, a newer part of the parasympathetic nervous system, which not only aids to counterbalance our sympathetic nervous system's response to stress and helps the body regulate cardiac physiology, but it also innervates facial muscles and the vocal cords.
During postexercise recovery period, the ANS activity is mediated by regain of parasympathetic nervous system activity and withdrawal of sympathetic nervous system activity.
She said that the breathing and posturing activate the parasympathetic nervous system and reduce emotional chaos and cognitive dissonance.
This consists of the sympathetic nervous system (which prepares the body to expend energy during crises, often described as the "fight or flight response") and the counterbalancing parasympathetic nervous system (which recharges and heals the body, returning it to a relaxed state).
Unlike a fear, disgust responses involve activation of the parasympathetic nervous system.
Heart rhythm experts say the apparent cause of the abnormal heart patterns is a problem in the parasympathetic nervous system, which is designed to slow the heart rate after danger or stress.
In the midst of chaos and distress, school counselors can maintain a non-anxious presence by eliciting the dominance of the parasympathetic nervous system over the sympathetic nervous system (i.
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