1. Cavity in the petrous part of the temporal bone that contains the membranous labyrinth
   "The osseous labyrinth provides protection for the delicate structures of the inner ear";
   - bony labyrinth

Derived forms: osseous labyrinths

Type of: anatomical structure, bodily structure, body structure, complex body part, structure

Part of: inner ear, internal ear, labyrinth

Encyclopedia: Osseous labyrinth