The central nervous system is comprised of the brain and spinal cord. The peripheral nervous system includes all peripheral nerves.
Review Date 1/19/2018
Updated by: Joseph V. Campellone, MD, Department of Neurology, Cooper Medical School of Rowan University/Cooper University Hospital, Camden, NJ. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.