bony labyrinth


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Related to bony labyrinth: membranous labyrinth

bon·y lab·y·rinth

[TA]
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.
Synonym(s): labyrinthus osseus [TA], osseous labyrinth
Farlex Partner Medical Dictionary © Farlex 2012

bony labyrinth

The bone encasement of the inner ear which is filled with perilymph and contains 3 cavities:
(1) The cochlea, which houses the sensory part of the auditory system;
(2) The semicircular canals, which are sensitive to rotational movement;
(3) The vestibule, which contains the sacculus and utriculus, which are sensitive to linear movement.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

bon·y lab·y·rinth

(bō'nē lab'i-rinth)
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.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

bon·y lab·y·rinth

(bō'nē lab'i-rinth)
Series of cavities (e.g., cochlea, vestibule, and semicircular canals) contained within otic capsule of petrous portion of the temporal bone; filled with perilymph, in which the delicate, endolymph-filled membranous labyrinth is suspended.
Medical Dictionary for the Dental Professions © Farlex 2012
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References in periodicals archive ?
The histological sections of the pouch youngs examined show that the membranous labyrinth within the bony labyrinth is not connected in the area the bony labyrinth is to form the second common crus, so both canals enter the vestibulum separately.
The bony labyrinth shape of Caluromys philander differs in several aspects from what has been reported in the few marsupial species studied so far.
Anatomy and development of the bony inner ear in the woolly opossum, Caluromys philander (Didelphimorphia, Marsupialia)
"There appear to be distinctions between hominid groups based on the bony labyrinth, but this needs further study."
CT analysis of 35 hominid fossils with preserved bony labyrinths finds humanlike semicircular canal proportions only in H.
Hominids: down-to-earth or up tree?
This allows the endolymph to mix with another fluid between the membranous and bony labyrinths (the perilymph).
Meniere's disease

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