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ShareThe peripheral nervous system or PNS, is part of the nervous system, and consists of the nerves and neurons that reside or extend outside the central nervous system (the brain and spinal cord) to serve the limbs and organs, for example.
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Unlike the central nervous system, however, the PNS is not protected by bone or the blood-brain barrier, leaving it exposed to toxins and mechanical injuries.
The peripheral nervous system is divided into the somatic nervous system and the autonomic nervous system.
For more information about the topic Peripheral nervous system, read the full article at Wikipedia.org, or see the following related articles:
Spinal cord — The spinal cord is a part of the vertebrate nervous system that is enclosed in and protected by the vertebral column (it passes through the spinal ... > read more
Sympathetic nervous system — The sympathetic nervous system (SNS) is part of the autonomic nervous system (ANS), which also includes the parasympathetic nervous system (PNS). The ... > read more
Central nervous system — The central nervous system (CNS) represents the largest part of the nervous system, including the brain and the spinal cord. Together with the ... > read more
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Oculomotor nerve — The oculomotor nerve is the third of twelve paired cranial nerves. It controls most of the eye movements (cranical nerves IV and VI also do some), ... > read moreEditor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
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