| Answer | Crossword Clue |
|---|---|
| umbo | inward projection of the tympanic membrane of the ear |
| umbonal | inward projection of the tympanic membrane of the ear |
| otoscope | instrument for examining the external canal and tympanic membrane of the ear |
| eardrum | A membrane of the middle ear that vibrates in response to sound waves; the tympanic membrane |
| tympanal | pertaining to the middle ear or tympanic membrane |
