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Autonomic Nervous Systema 

Autonomic Nervous Systema
Autonomic Nervous Systema

Eduardo E. Benarroch

, Jeremy K. Cutsforth-Gregory

, and Kelly D. Flemming

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date: 07 May 2021

The autonomic nervous system is a critical effector of an internal regulation system that controls functions necessary for survival. Autonomic outputs regulate the activity of the heart; the smooth muscle of the blood vessels, pupil, and visceral organs; and the exocrine glands. The autonomic nervous system includes 3 subdivisions: the sympathetic, parasympathetic, and enteric nervous systems. Autonomic disorders may be prominent manifestations of several neurologic diseases and, in some cases, may be valuable in localizing lesions in the nervous system.

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