SYMPATHETIC NERVOUS SYSTEM


Meaning of SYMPATHETIC NERVOUS SYSTEM in English

A part of nervous system that serves to accelerate the heart rate, constrict blood vessels, and raise 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), constitutes the autonomic nervous system.

English dictionary of medicine.      Английский словарь медицины.