Middle Ear Flashcards
(10 cards)
1
Q
List the 3 main parts of the middle ear.
A
- Middle ear cavity
- Eustachian tube (Auditory tube)
- Ossicles (ossicular chain)
2
Q
List the two parts of the middle ear cavity.
A
- Tympanic cavity
- Epitympanic recess (attic)
3
Q
What is another name for the epitympanic cavity?
A
- Attic
4
Q
What is another name for the eustachian tube?
A
- Auditory tube
5
Q
Where is the eustachian tube located?
A
- Runs down from the middle ear to the nasopharynx
6
Q
List 2 functions of the eustachian tube.
A
- Equalize the air pressure between the middle ear and atmospheric air pressure in the ear canal
- Drain mucus to the pharynx
7
Q
How is the eustachian tube expanded or opened?
A
- By the tensor veli palatini
8
Q
List the 3 ossicles.
A
- Malleus
- Incus
- Stapes
9
Q
What are other names for the Malleus, Incus, and Stapes?
A
- Hammer
- Anvil
- Stirrup
10
Q
Size and attachment details for the malleus
A
- Largest of the ossicles
- Provides attachment to the tympanic membrane
