Cochlear aqueduct

Bone: Aqueduct of cochlea
Left temporal bone. Inferior surface. (Aquæductus cochleæ labeled at left, fifth from the top.)
Latin	a. cochleae
Gray's	subject #34 144

Medial to the opening for the carotid canal and close to its posterior border, in front of the jugular fossa, is a triangular depression; at the apex of this is a small opening, the aquaeductus cochleae (or cochlear aqueduct, or aqueduct of cochlea), which lodges a tubular prolongation of the dura mater establishing a communication between the perilymphatic space and the subarachnoid space, and transmits a vein from the cochlea to join the internal jugular

Additional images

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  Base of skull. Inferior surface.

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.