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. Update Date: 06/19/2008Daniel B. Hoch, MD, PhD, Assistant Professor of Neurology, Harvard Medical School, Department of Nuerology, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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