healthy lumbar vertebrae and intervertebral disc. labeled

anatomical anatomy annulus apinal arthrosis artwork back backage background black blue body bulging canal compression cord degeneration degenerative dermatome diagnosis disc disk doc exercise herniated illustration intervertebral lower lumbar medical medicine mri myelopathy myotome nerve nucleus operation osteoarthritic osteoarthritis osteophytes pain physiotherapy pinched prolapse prolapsed pulposus radiculopathy root ruptured slipped spinal spine spondylophytes spondylosis stenosis treatment vertebra vertebral