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Autonomic Nervous System 

Autonomic Nervous System
Chapter:
Autonomic Nervous System
Author(s):

Jennifer A. Tracy

, Eduardo E. Benarroch

, and Kelly D. Flemming

DOI:
10.1093/med/9780190214883.003.0019
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date: 14 October 2019

The autonomic nervous system is involved in many important unconscious body functions. It aids in maintaining the internal environment and responds and adapts to the external environment. The autonomic nervous system consists of peripheral components (sympathetic and parasympathetic nerves) and central components (ventrolateral medulla, nucleus ambiguus, nucleus of the solitary tract, periaqueductal gray, anterior cingulate gyrus, insular cortex, amygdala, and hypothalamus). This chapter briefly reviews the anatomy and functional components of the autonomic nervous system and the anatomical clinical correlations.

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