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Lumbar spinal surgery - series—Normal anatomy

Normal anatomy

Overview

The spine is made of bones (vertebrae) separated by soft cushions (intervertebral disks).

Review Date 9/22/2016

Updated by: C. Benjamin Ma, MD, Professor, Chief, Sports Medicine and Shoulder Service, UCSF Department of Orthopaedic Surgery, San Francisco, CA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.