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sympathetic nervous system

NOUN
  1. originates in the thoracic regions of the spinal cord; opposes physiological effects of the parasympathetic: reduces digestive secretions; speeds the heart; contracts blood vessels

How To Use sympathetic nervous system In A Sentence

  • (It was formerly called the sympathetic nervous system, but this term is now limited to one part of this system, and the term autonomic to another part, although some writers still use the term sympathetic for the whole, and others [the English] the term autonomic for the whole.) The Foundations of Personality
  • The constrictor muscle is supplied by the parasympathetic nervous system, and the dilator by the sympathetic nervous system.
  • The autonomic nervous system is divided into interacting and balancing systems, the sympathetic and parasympathetic nervous systems and the visceral afferent system. SO STRESSED
  • If there was a problem with a hypersympathetic nervous system, Western herbalists have tended use sedatives, nervines and perhaps anti-inflammatories.
  • General anesthesia causes peripheral vessels to dilate by depressing the sympathetic nervous system.
  • This includes those of the parasympathetic nervous system in the heart, glandular tissue, and smooth muscle.
  • The parasympathetic nervous system is excitatory and results in the contraction of smooth muscle, whereas the sympathetic system inhibits smooth muscle in the digestive system.
  • If the sympathetic nervous system is damaged, however, the blood vessels do not constrict and blood pressure progressively decreases.
  • They also subdue signals from the sympathetic nervous system and inhibit deleterious overgrowth of damaged heart muscle.
  • If the sympathetic nervous system is damaged, however, the blood vessels do not constrict and blood pressure progressively decreases.
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