sympathetic nervous system

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Related to Sympathetic response: parasympathetic response

sympathetic nervous system

n.
The part of the autonomic nervous system originating in the thoracic and lumbar regions of the spinal cord that in general inhibits or opposes the physiological effects of the parasympathetic nervous system, as in tending to reduce digestive secretions, speed up the heart, and contract blood vessels.

sym·pa·thet·ic nervous system

(sĭm′pə-thĕt′ĭk)
The part of the autonomic nervous system that tends to act in opposition to the parasympathetic nervous system, as by speeding up the heart and contracting the blood vessels. It also regulates the function of glands, particularly the sweat glands. The sympathetic nervous system is activated especially under conditions of stress.

sympathetic nervous system

The part of the autonomic nervous system that prepares the body to cope with stress.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sympathetic nervous system - originates in the thoracic regions of the spinal cordsympathetic 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
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
splanchnic nerve - any of several nerves of the sympathetic part of the autonomic nervous system that innervate viscera and blood vessels
abdominal nerve plexus, coeliac plexus, plexus celiacus, solar plexus - a large plexus of sympathetic nerves in the abdomen behind the stomach
alpha receptor, alpha-adrenergic receptor, alpha-adrenoceptor - receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasoconstriction and relaxation of intestinal muscles and contraction of smooth muscles)
beta receptor, beta-adrenergic receptor, beta-adrenoceptor - receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat)
Translations
sympatická nervová soustava
sympatiske nervesystem
sympaattinen hermosto
système nerveux orthosympathique
המערכת הסימפתטית
交感神経系
simpatinė nervų sistema
orthosympatisch zenuwstelsel
układ współczulny
sistema nervoso simpático
sympatiska nervsystemet

sym·pa·thet·ic ner·vous sys·tem

n. sistema nervioso simpático, abastecedor de los músculos involuntarios, formado por nervios motores y sensoriales.
References in periodicals archive ?
Trump's sympathetic response Saturday fits a pattern in which he has defended other men accused of harassment or abuse while casting doubt on accusers.
A lot of experts don't like pressure switches on handguns because squeezing them can trigger a sympathetic response in your trigger finger.
Now, one is wide awake; heart may be racing, the mind jumps to all the unsolved problems of the day, which aggravates the sympathetic response, and sleep becomes very difficult.
And it's elementary: you are more likely to get a sympathetic response from someone who is on friendly terms with you, who understands not just why you are adopting a policy position, but also what makes you tick: your family, hobbies, favourite football team.
Parasympathetic dominance after yoga training does not mean that the sympathetic response will be blunted in times of stress or emergency.
I've found enormous interest in the referendum result, as you would expect, and I've also had a sympathetic response to the position Scotland now finds itself in, facing the prospect of being taken out of the European Union against our will, a position not of our making and not one we wanted.
I have found huge interest here in the referendum result, and a sympathetic response to the position Scotland finds itself in - a position not of our making, and not one we wanted.
We had a sympathetic response from the general public and particularly from many of the claimants themselves.
Anita choked back tears as the man recited the story and received a huge, sympathetic response on social media.
DP in our study shows that with yoga therapy, there is an improvement in sympathetic response during pressor stimuli in subjects with hypertension.
Were a South African company and a European company to compete, the South African company can, in my opinion, expect to get at least a more sympathetic response from the Iranian authorities, contingent on the company's capacity.
4) For deeper surgery, analgesia must be complemented with intravenous medication in order to avoid the sympathetic response to the pain.