The spinal cord and its peripheral nerves are protected by the vertebral column, a stack of bones which surround and provide support. Between the vertebrae is a fluid-filled disk.
Review Date 5/3/2021
Updated by: Linda J. Vorvick, MD, Clinical Associate Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.