Tympanic cavity

Definition

The tympanic cavity is a small, air-filled space in the middle ear that houses the auditory ossicles. It plays a crucial role in transmitting sound vibrations from the eardrum to the inner ear.

5 Must Know Facts For Your Next Test

1. The tympanic cavity is also known as the middle ear cavity.
2. It contains three tiny bones called the malleus, incus, and stapes.
3. The Eustachian tube connects the tympanic cavity to the nasopharynx and helps equalize pressure.
4. Infections of the tympanic cavity are commonly referred to as otitis media.
5. Proper function of the tympanic cavity is essential for normal hearing.

Review Questions

• What are the three bones located in the tympanic cavity?
• How does the Eustachian tube relate to the tympanic cavity?
• What common condition affects the tympanic cavity due to infection?

Related terms

Auditory Ossicles: Three small bones (malleus, incus, stapes) located in the middle ear that transmit sound vibrations.

Eustachian Tube: A tube that connects the middle ear to the nasopharynx and helps equalize air pressure on both sides of the eardrum.

Otitis Media: An infection or inflammation of the middle ear often caused by bacteria or viruses.