Middle ear Flashcards
1
Q
What cavity is found behind the tympanic membrane?
A
Tympanic cavity
2
Q
What muscle is found in the auditory tube?
A
Tensor tympani
3
Q
What window are found on the medial wall of the tympanic cavity?
A
Round and oval window
4
Q
What muscle is found on the posterior wall of the tympanic cavity?
A
Stapedius
5
Q
What bones are found in the middle ear?
A
Malleus, incus, stapes
6
Q
What forms the roof of the tympanic cavity?
A
Tegmen tympani
7
Q
As the pressure in the ear increases through the tympanic membrane what happens to the ossicles?
A
Long process moves and rotates and causes incus to rotate, causing stapes to push against the oval window like a banging door
8
Q
Ossicles transmit force to what?
A
Oval window
9
Q
How do muscles protect us from low sounds?
A
Strap ossicles down
