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Medical Dictionary

peripheral nervous system (PNS) 

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  1. the peripheral part of the nervous system external to the brain and spinal cord from their roots to their peripheral terminations. This includes the ganglia, both sensory and autonomic, and any plexuses through which the nerve fibers and all the peripheral nerves run. See also: autonomic (visceral motor) division of nervous system

Syn: pars peripherica systematis nervosi, * official alternate term for systema nervosum periphericum, peripheral part of nervous system

WebMD Medical Reference from "Stedman's Medical Dictionary"

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