aqueductus cochleae

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. Synonym(s): aqueductus cochleae [TA], ductus perilymphaticus, perilymphatic duct

per·i·lym·phat·ic duct

(per'i-lim-fat'ik dŭkt) A fine canal connecting the perilymphatic space of the cochlea with the subarachnoid space.
Synonym(s): aqueductus cochleae [TA] .

aqueductus cochleae

A canal connecting subarachnoid space and the perilymphatic space of the cochlea.See also: aqueductus