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 12/22/2019
Updated by: Jatin M. Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School; Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital, Boston, MA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team. Editorial update 01/06/2020.