labyrinthus osseus

Also found in: Dictionary, Thesaurus, Encyclopedia.

bon·y lab·y·rinth

a series of cavities (for example, cochlea, vestibule, and semicircular canals) contained within the otic capsule of the petrous portion of the temporal bone; the bony labyrinth is filled with perilymph, in which the delicate, endolymph-filled membranous labyrinth is suspended.
See also: otic capsule.
Farlex Partner Medical Dictionary © Farlex 2012