| labyrinthitis | <pathology> Inflammation of the inner ear and semicircular canals. These structures are normally responsible for the maintenance balance and the perception of body position. Inflammation of these structures can result in nausea, vomiting and vertigo made worse by movement. (27 Sep 1997) |
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| pelvospondylitis ossificans | Deposit of bony substance between the vertebrae of the sacrum. Origin: L. Pelvis, basin, + G. Spondylos, vertebra, + -itis; L. Os, bone, + facio, to make (05 Mar 2000) |
| myositis ossificans | A disease characterised by bony deposits or the ossification of muscle tissue. (12 Dec 1998) |
| myositis ossificans circumscripta | Local deposit of bone in a muscle, usually following prolonged trauma; e.g., riders' bone. (05 Mar 2000) |
| myositis ossificans progressiva | <radiology> Progressive skeletal fusion, ossification of ligaments, nuchal ligament, pelvic entheses, asymptomatic at birth, 90% have short great toes (12 Dec 1998) |
| lipoma ossificans | A lipoma in which metaplasia occurs and small foci of bone are formed. (05 Mar 2000) |