Anatomy of the Ear

1. The smallest bone that is shaped like a stirrup and articulates with the 2nd bone.
5. The vibration of this structure causes the vibration of hair cells against tectorial membrane.
10. This structure closes the inner end of the auditory canal and separates it from the middle ear.
11. The 2nd bone that has a rough triangular body.
14. The passageway leading through the temporal bone to the tympanic membrane.
15. The organ of hearing.

2. Passageway to the nasopharynx.
3. The opening where the inner ear begins... Hint: The two "V's"
4. Sensory nerve for hearing and equilibrium
6. Mixed nerve that controls facial expression, salivation, tears, and taste.
7. The first bone that has an elongated handle attached to inner surface of tympanic membrane
8. Part of the bony labyrinth which is a chamber that contains organs of equilibrium.
9. Three small fluid filled tubes that assist with balance and equilibrium.
12. This membrane covered opening responds to pressure placed on oval window by ossicles.
13. The outer portion of the ear.