MeSH definition : The part of the membranous labyrinth that traverses the bony vestibular aqueduct and
emerges through the bone of posterior cranial fossa (CRANIAL FOSSA, POSTERIOR) where
it expands into a blind pouch called the endolymphatic sac.;
The part of the membranous labyrinth that traverses the bony vestibular aqueduct and
emerges through the bone of posterior cranial fossa (CRANIAL FOSSA, POSTERIOR) where
it expands into a blind pouch called the endolymphatic sac.