vestibular aqueduct

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vestibular aq·ue·duct

a bony canal running from the vestibule and opening on the posterior surface of the petrous portion of the temporal bone, giving passage to the endolymphatic duct and a small vein.

vestibular aqueduct

A small passage reaching from the vestibule to the posterior surface of the petrous section of the temporal bone.
Synonym: aqueductus vestibuli
See also: aqueduct

ves·tib·u·lar a·que·duct

(ves-tibyū-lăr ahkwĕ-dŭkt) [TA]
Bony canal running from vestibule and opening on posterior surface of petrous portion of temporal bone, giving passage to endolymphatic duct and a small vein.


canal or passage.

cerebral aqueduct
a narrow channel in the midbrain connecting the third and fourth ventricles and containing cerebrospinal fluid. Called also aqueduct of Sylvius.
aqueduct of cochlea
a narrow canal that unites the perilymphatic space near the base of the cochlea with the subarachnoid space beneath the temporal bone. Called also perilymphatic duct.
aqueduct of Cotunnius
vestibular aqueduct.
aqueduct of Fallopius
the canal for the facial nerve in the temporal bone. Called also facial canal.
sylvian aqueduct, aqueduct of Sylvius
cerebral aqueduct. Called also ventricular aqueduct.
ventricular aqueduct
see cerebral aqueduct (above).
vestibular aqueduct
bony canal that opens onto the medial surface of the temporal bone and passes to the vestibule of the inner ear; houses the endolymphatic duct. Called also aqueduct of Cotunnius.
References in periodicals archive ?
Vestibular symptoms in children with enlarged vestibular aqueduct anomaly.
The remediation of hearing deterioration in children with large vestibular aqueduct syndrome.
13,14) Yoon et al were able to show that endolymphatic hydrops and otosclerotic obstruction of the vestibular aqueduct can coexist.
Hosseinzadeh M, Hilinski JM, Turner WJ, Harris JR Meniere disease caused by an anomalous vein of the vestibular aqueduct.
Recent reports indicate that patients who have a large vestibular aqueduct are merely predisposed to the development of hearing loss, and that this loss might not be truly congenital.
The involved vestibular aqueduct is usually markedly dilated and easily demonstrated on computed tomography (CT) (figure 1).
From the remaining 20 scans, 17 (85%) showed abnormalities, including wide vestibular aqueducts, Mondini deformities, and varying degrees of otosclerosis, the identification of which can be considered preoperatively helpful.