Lateral view of right osseous labyrinth
Interior view of right osseous labyrinth
The bony labyrinth (also osseous labyrinth or otic capsule) is the rigid, bony outer wall of the inner ear in the temporal bone. It consists of three parts: the vestibule, semicircular canals, and cochlea. These are cavities hollowed out of the substance of the bone, and lined by periosteum. They contain a clear fluid, the perilymph, in which the membranous labyrinth is situated.
A temporal bone fracture classification system in which temporal bone fractures are delineated based on disruption of the otic capsule has been found to be predictive for complications of temporal bone trauma such as facial nerve injury, sensorineural deafness and cerebrospinal fluid otorrhea.
- Little, S. C.; Kesser, B. W. (2006). "Radiographic classification of temporal bone fractures: Clinical predictability using a new system". Archives of Otolaryngology–Head & Neck Surgery 132 (12): 1300–4. doi:10.1001/archotol.132.12.1300. PMID 17178939.
- Brodie, H. A.; Thompson, T. C. (1997). "Management of complications from 820 temporal bone fractures". The American journal of otology 18 (2): 188–97. PMID 9093676.
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