Res Vestib Sci.  2017 Dec;16(4):101-107. 10.21790/rvs.2017.16.4.101.

Anatomy and Physiology of the Autonomic Nervous System

  • 1Department of Physiology, Wonkwang University School of Medicine, Iksan, Korea.


The autonomic nervous system (ANS) integrates the function of the internal organs for the homeostasis against various external environmental changes. The efferent components of the ANS are regulated by sensory signals arising from the viscera as well as non-visceral organs. The central neural networks that integrate these sensory signals and modify visceral motor output are complex, and synaptic reflexes formed in the brainstem and spinal cord integrate behavioral responses and visceral responses through the central neural networks. A detailed understanding of the neural network presented above may explain the role of the vestibular system on the homeostasis more extensively.


Sympathetic nerve; Parasympathetic nerve; Solitary tract nucleus; Ventrolateral medulla; Intermediolateral nucleus; Vestibular nucleus
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