• opening
• orifice
• porta
• ear
• oval window
• fenestra of the vestibule
• fenestra vestibuli
• fenestra of the cochlea
• fenestra cochleae

fenestration  fenestra of the vestibule  fenestrate  fenestra ovalis  fenestra of the cochlea  fenestrated  fenestra cochleae  fenestra vestibuli  fenestra rotunda  fenestral