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Definition of «System, sympathetic nervous»

System, sympathetic nervousSystem, sympathetic nervousSystem, sympathetic nervous

System, sympathetic nervous: A part of nervous system that accelerates the heart rate, constricts blood vessels, and raises blood pressure. The sympathetic nervous system together with the parasympathetic nervous system (that slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles) constitute the autonomic nervous system.

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