autonomic nervous system


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Related to autonomic nervous system: sympathetic nervous system

autonomic nervous system

n.
The part of the vertebrate nervous system that regulates involuntary action, as of the intestines, heart, and glands, and that is divided into the sympathetic nervous system and the parasympathetic nervous system.

autonomic nervous system

n
(Physiology) the section of the nervous system of vertebrates that controls the involuntary actions of the smooth muscles, heart, and glands. It has two divisions: the sympathetic and the parasympathetic. Compare somatic nervous system

au′tonom′ic nerv′ous sys`tem


n.
the system of nerves and ganglia that innervates the blood vessels, heart, smooth muscles, viscera, and glands and controls their involuntary functions and consists of sympathetic and parasympathetic portions.
[1895–1900]

au·to·nom·ic nervous system

(ô′tə-nŏm′ĭk)
The part of the nervous system of a vertebrate animal that regulates involuntary action, as of the intestines, heart, or glands. It is divided into two parts, the sympathetic nervous system and the parasympathetic nervous system.

autonomic nervous system

Part of the peripheral nervous system not under conscious control. It operates smooth muscle, cardiac muscle, and glands. See parasympathetic nervous system; sympathetic nervous system.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.autonomic nervous system - the part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glandsautonomic nervous system - the part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands
autonomic ganglion - any of the ganglia of the autonomic system whose unmyelinated fibers innervate the internal organs
nervous system, systema nervosum - the sensory and control apparatus consisting of a network of nerve cells
neural structure - a structure that is part of the nervous system
sympathetic nervous system - originates in the thoracic regions of the spinal cord; opposes physiological effects of the parasympathetic: reduces digestive secretions; speeds the heart; contracts blood vessels
parasympathetic, 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
Translations
vegetativní nervová soustava
autonominen hermosto

autonomic nervous system

n (Med) → sistema m neurovegetativo
References in periodicals archive ?
The autonomic nervous system plays an important role in the body.
Hence, this clearly indicates the relation between inner ear functioning and autonomic nervous system. Thus, evaluation of stress levels from the perspective of autonomic function may play a key role in a better comprehensive understanding of the mechanisms and consequences of hearing impairment.
Abnormalities of autonomic nervous system function play a dominant role in the genesis of syncope.
"The present results lead us to the hypothesis that although physical exercise stimulates, in general, the sympathetic nervous system, the activity of autonomic nervous system changed afterward depending on the time lapse," the authors write.
Salivary [alpha]-amylase is a peptide with sympathetic activity and so affects the autonomic nervous system. Many studies in the literature use salivary [alpha]-amylase as a marker of sympathetic activity.
The autonomic nervous system consists of two interacting systems: the sympathetic and parasympathetic systems.
Results of this study showed that SS, based on laboratory values, discriminates AIG patients with altered autonomic nervous system function from patients with normal autonomic nervous system function with a sensitivity of 86.7% and specificity of 92.3%.
The autonomic nervous system has a major role in the pathogenesis of some of the extrinsic causes of SSS [5].
Various studies have been conducted to address this, including studies on the autonomic nervous system (ANS) [1-7].
Autonomic nervous system innervates internal organs and plays a crucial role in maintaining hemostasis of cardiovascular, respiratory, energy metabolism, balance of water, electrolyte, and body fluid, and so forth.
While Knowles, 31, did not reveal which specific autonomic disorder she has, the group of conditions affect the involuntary functions of the body - things within the realm of the autonomic nervous system. Those functions can include digestion and the constriction or dilation of blood vessels, which controls circulation.

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