parasympathetic nervous system

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Related to Parasympathetic nervous systems: Parasympathetic division

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 ?
VVS is an important type of neurally mediated syncope, and its pathogenesis, which has not been fully understood, is thought to be associated with the imbalance between the sympathetic and the parasympathetic nervous systems, as well as the abnormal regulation of peripheral vascular tone.
10] Cardiovascular function is under constant control by the sympathetic and parasympathetic nervous systems and any change in autonomic activity enhances the risk of cardiovascular disease and this aspect of cardiovascular function is also modulated by estrogen.
The autonomic system has two parts, the sympathetic and parasympathetic nervous systems, with different and frequently opposing actions.
Anxiety disorders result from hyperactivity in the sympathetic and parasympathetic nervous systems, often accompanied by excessive release of epinephrine and norepinephrine.
There is a new recognition of how the sympathetic and parasympathetic nervous systems interact to initiate and maintain arrhythmias.
When you ground to the electron-enriched earth, you are allowing your sympathetic and parasympathetic nervous systems to balance.

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