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things that might have happened, but which did not
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|Noun||1.||ANS - 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
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