NERVOUS SYSTEM, SYMPATHETIC


Meaning of NERVOUS SYSTEM, SYMPATHETIC in English

A part of the 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.

English dictionary of medicine.      Английский словарь медицины.