MeSH definition : Fenestra or oval opening on the lateral wall of the vestibular labyrinth adjacent
to the MIDDLE EAR. It is located above the cochlear round window and normally covered
by the base of the STAPES.;
MeSH synonym : oval window of ear; oval windows, ear;
MeSH annotation : do not confuse with ROUND WINDOW, EAR;
Fenestra or oval opening on the lateral wall of the vestibular labyrinth adjacent
to the MIDDLE EAR. It is located above the cochlear round window and normally covered
by the base of the STAPES.