- 腰椎间盘 yāozhuījiānpán lumbar intervertebral diskthe fibrocartilaginous disk situated between the lumbar vertebrae of the spine
- 腰椎间盘突出 yāozhuījiānpántūchū slipped diskherniation of the lumbar vertebral disk; prolapsed disk
- 腰椎间盘突出症 yāozhuījiānpántūchūzhèng herniated lumbar diskherniated lumbar disk; a condition where a disk in the lower spine bulges or ruptures, often causing back pain