Endolymphatic duct and sac
ductus et saccus endolymphaticus
The duct leaves the utriculosaccular duct and crosses the vestibular aqueduct; the sac lies between the two layers of the dura mater, on the posterior surface of the petrous part of the temporal bone.

In the full entry
The full entry, with every field, sources, quiz and clinical correlations, is in the atlas.
- Structure