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Definition of Osseous labyrinth
1. Noun. Cavity in the petrous part of the temporal bone that contains the membranous labyrinth.
Exact synonyms: Bony Labyrinth
Generic synonyms: Anatomical Structure, Bodily Structure, Body Structure, Complex Body Part, Structure
Group relationships: Inner Ear, Internal Ear, Labyrinth
Generic synonyms: Anatomical Structure, Bodily Structure, Body Structure, Complex Body Part, Structure
Group relationships: Inner Ear, Internal Ear, Labyrinth
Medical Definition of Osseous labyrinth
1. A series of cavities (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. Synonym: labyrinthus osseus, osseous labyrinth. (05 Mar 2000)