Autonomic nervous system - Wikipedia, the free encyclopedia
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The autonomic nervous system ( ANS or visceral nervous system ) is the part of the peripheral nervous system that acts as a control system functioning largely below the level of consciousness, a...
en.wikipedia.org/wiki/Autonomic_nervous_system
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An explanation of this system and what it does. ... parasympathetic nervous system ... Here is a summary of some of the effects of sympathetic and parasympathetic stimulation. Notice that effects are generally in opposition to each other.
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faculty.washington.edu/chudler/auto.html
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The Medscape Journal ... Allergy & Clinical Immunology ... Parasympathetic Nervous System [drug effects] [physiology]
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www.medscape.com/medline/abstract/9693750
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The Medscape Journal ... Allergy & Clinical Immunology ... Sympathetic Nervous System...
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www.medscape.com/medline/abstract/15433651
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The sympathetic nervous system increases heart rate, makes the pupils dilate, inhibits digestion, inhibits nasal secretions, . ...
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itc.gsw.edu/faculty/gfisk/anim/autonomicns.swf
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In short, the parasympathetic system returns the body functions to normal after they have been altered by sympathetic stimulation. In times of danger, the sympathetic system prepares the body for violent activity.
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users.rcn.com/jkimball.ma.ultranet/BiologyPages/P/PNS.h...
users.rcn.com/jkimball.ma.ultranet/BiologyPages/P/PNS.html
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overview of the parasympathetic and sympathetic nervous systems ... The ANS is divided into two separate divisions called the Parasympathetic and Sympathetic Systems, on the basis of anatomical and functional differences.
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www.nda.ox.ac.uk/wfsa/html/u05/u05_010.htm
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The effect of sympathetic stimulation performed against a parasympathetic background was small and developed and vanished much more slowly. If it is permissible to draw conclusions from nerve stimulation experiments, it seems that sympathetic nerve activity is of very small importance for desaccommodation.
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www.iovs.org/cgi/content/abstract/6/6/612
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It has two parts: the sympathetic division, which is most active in times of stress, and the parasympathetic division, which controls maintenance activities and helps conserve the body's energy. ... The Sympathetic and Parasympathetic Nervous Systems...
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www.becomehealthynow.com/popups/sympth_parasympth.htm
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