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Flashcards in Middle Ear Deck (12):
1

What sit he main function for the Middle ear

Transmit vibrations from tympanic mem to inner earn

2

What are the two parts of the Middle ear

Tympanic cavity
Epitympanic recess

3

What are the auditory ossicle

Malleus
Incus
Stapes

4

What do the auditory ossicles connect

The tympanic membrane to the oval window

5

Where are the mastoid air cells

Posterior to the epitympanic recess
In the Antrum of the mastoid process

6

How does the mastoid Antrum communicate with the mastoid

Via aditus

7

What are the two protective muscles of the ear cavity

Stapedius and tensor tympani

8

What does the stapedius and tensor tympani do

Response to loud noises
Prevent vibrations fo ossicles reducing sound transmission so not damage

9

What innervates the tensor tympani

v3

10

What inv the stapedius

Facial nerve

11

What si the purpose of the Eustachian tube

Equalise the pressure of Middle ear to eam

12

Where does he Middle ear lie

In temporal bone
Extends from tympanic mem to lateral wall of internal ear