The vertebral column is made up of 26 bones that provide axial support to the trunk. The vertebral column provides protection to the spinal cord, which runs through its central cavity. Between each vertebra is an intervertebral disk, which acts as a shock absorber.
Review Date 8/15/2022
Updated by: Todd Gersten, MD, Hematology/Oncology, Florida Cancer Specialists & Research Institute, Wellington, FL. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.