ABCDEFGHIJKLMNOPQRSTUVWXYZ A Arachnoiditis: Definition Atlantoaxial Instability: Definition Back to top B Back Strain: Definition Bechterew’s Disease: Definition Back to top C Cervical Radiculopathy: Definition Coccydynia: Definition Back to top D Disc Degeneration: Definition Disc Desiccation: Definition Disc Extrusion: Definition Disc Height Loss: Definition Disc Herniation: Definition Disc Protrusion: Definition Back to top E Effacement of Ventral Epidural Fat: Definition Back to top F Facet Arthropathy: Definition Facet Joint Hypertrophy: Definition Back to top G Guillain-BarrĂ© Syndrome: Definition Back to top H Herniated Disc: Definition Back to top I Indentation of Thecal Sac: Definition Back to top J Juvenile Idiopathic Scoliosis: Definition Back to top K Kyphosis Definition Back to top L Lateral Recess Stenosis: Definition Back to top M Myelopathy: Definition Back to top N Nerve Root Impingement: Definition Neural Foraminal Stenosis: Definition Neuropathic Spondylopathy: Definition Back to top O Osteophyte Discal Complex: Definition Osteophyte Formation: Definition Back to top P Piriformis Syndrome: Definition Back to top R Radiculopathy: Definition, Symptoms, and Treatment Retrolisthesis: Definition Back to top S Schmorl’s Node: Definition Scoliosis: Definition, Causes, Symptoms, Diagnosis, Treatment, and Prognosis Spondylolisthesis, Anterolisthesis, and Retrolisthesis: Understanding the Difference Spondylosis: Definition Synovial Cyst: Definition Back to top T Thecal Sac Effacement: Definition Transverse Myelitis: Definition, Causes, Symptoms, Diagnosis, and Treatment Back to top V Vertebral Compression Fracture: Definition Back to top