The lumbar disc.
D000375:Aging; D001416:Back Pain / Q000209:etiology; D007405:Intervertebral Disc Displacement / Q000150:complications* / Q000209:etiology / Q000503:physiopathology / Q000601:surgery; D008159:Lumbar Vertebrae / Q000033:anatomy & histology* / Q000473:pathology; D008297:Male; D013122:Spinal Diseases / Q000150:complications