cochlear aqueduct


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Related to cochlear aqueduct: endolymphatic duct, Vestibular aqueduct

co·chle·ar aq·ue·duct

[TA]
a fine canal in the temporal bone, opening superior to the tympanic canaliculus, connecting the perilymphatic space of the cochlea with the subarachnoid space in the region of the bulb of the internal jugular vein.

coch·le·ar a·que·duct

(koklē-ăr ahkwă-dŭkt) [TA]
Fine canal in temporal bone, opening superior to the tympanic canaliculus, connecting the perilymphatic space of the cochlea with the subarachnoid space in the region of the bulb of the internal jugular vein.
References in periodicals archive ?
1-7) It is presumed that the relationship involves the transmission of CSF pressure to and from the perilymphatic space through a patent cochlear aqueduct (figure 1).
Patient 3's cochlear aqueduct was normal; her vestibular aqueduct on the operative side was not visible.
In such cases, it is possible that a patent or semipatent cochlear aqueduct or modiolus would allow for hydrodynamic changes in pressure to occur concurrently with volume changes between the perilymph and spinal fluid in the adjacent subarachnoid space, but this is difficult to confirm.
The infection spreads to the inner ear via subarachnoid spaces, such as the cochlear aqueduct and the internal auditory canal.