autonomic nervous system

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Related to autonomic nervous system: sympathetic nervous system

autonomic nervous system

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.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

autonomic nervous system

(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

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

au′tonom′ic nerv′ous sys`tem

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.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

autonomic nervous system

Part of the peripheral nervous system not under conscious control. It operates smooth muscle, cardiac muscle, and glands. See para sympathetic nervous system; sympathetic nervous system.

ThesaurusAntonymsRelated WordsSynonymsLegend:

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Noun

autonomic nervous system - the part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands

ANS

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

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

References in periodicals archive ?

The autonomic nervous system plays an important role in the body.

Tickle Therapy: New Approach To Slow Down Aging Effects

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.

Gender-based differences in cardiovascular autonomic function tests among deaf children

Abnormalities of autonomic nervous system function play a dominant role in the genesis of syncope.

COMPARISON OF HEART RATE VARIABILITY IN NEGATIVE AND POSITIVE RESPONDERS TO ACTIVE PHASE OF HEAD-UP TILT TEST

"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.

Exercise, Clock Genes, and Sleep

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.

Salivary [alpha]-amylase levels in vertigo: Can it be an autonomic dysfunction?

The autonomic nervous system consists of two interacting systems: the sympathetic and parasympathetic systems.

Serum Magnesium and Calcium Levels in Children With Breath-holding Spells

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%.

Utility of a laboratory score in the prediction of altered autonomic nervous system function in autoimmune gastritis

The autonomic nervous system has a major role in the pathogenesis of some of the extrinsic causes of SSS [5].

Elevated Intracranial Pressure as a Cause of Sick Sinus Syndrome

Various studies have been conducted to address this, including studies on the autonomic nervous system (ANS) [1-7].

Salivary Alpha-Amylase Activity Levels in Catatonic Schizophrenia Decrease after Electroconvulsive Therapy

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.

Neural Mechanisms of Autonomic Dysfunction in Neurological Diseases

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.