_:vb50949286 . _:vb50949286 . _:vb50949286 . _:vb50949286 "url:http://books.google.com/books?id=K6IRAAAAYAAJ&pg=PA934&lpg#v=onepage&q=&f=false"^^ . _:vb50949286 . _:vb50949286 "A labyrinthitis which is an infectious inflammatory disease of a circumscribed area of either the vestibular or the cochlear portion of the labyrinth, or of both together. This is caused by a chronic suppurative otitis media, mastoiditis, or cholesteatoma."^^ . _:vb50949286 .