peripheral nerve definition
Definition of PERIPHERAL NERVOUS SYSTEM. : the part of the nervous system that is outside the central nervous system and comprises the cranial nerves excepting the optic nerve, the spinal nerves, and the autonomic nervous system.Britannica English: Translation of peripheral nervous system for Arabic speakers. the part of the nervous system that is outside the central nervous system and comprises the cranial nerves excepting the optic nerve, the spinal nerves, and the autonomic nervous system. See peripheral nervous system defined for kids. ADVERTISEMENT.
Peripheral nervous system: The portion of the nervous system that is outside the brain and spinal cord. Abbreviated PNS.The nerves in the PNS connect the central nervous system (CNS) to sensory organs, such as the eye and ear, and to other organs of the body, muscles, blood vessels, and glands.The peripheral nerves include the 12 cranial nerves, the spinal nerves and roots, and the autonomic nerves.eripheral nervous system: The portion of the nervous system that is outside the brain and spinal cord. Abbreviated PNS.