| Answer | Crossword Clue |
|---|---|
| modioli | MODIOLUS, a bony shaft of the inner ear |
| modiolus | a bony shaft of the inner ear |
| fenestration | A surgical operation in which a new opening is formed, esp. in the bony labyrinth of the inner ear to treat certain types of deafness |
| labyrinths | A complex structure in the inner ear that contains the organs of hearing and balance. It consists of bony cavities (the bony labyrinth) filled with fluid and lined with sensitive membranes (the membranous labyrinth) |
