THRC.18 Flashcards
1
Q
Components of the external ear
A
- Auricle
- External acoustic meatus
- Tympanic membrane
2
Q
A
External acoustic meatus
3
Q
A
Auricular cartilage
4
Q
A
Annular cartilage
5
Q
A
Tympanic membrane
6
Q
A
Tympanic ring of temporal bone
7
Q
A
Cavum tympani (In middle ear)
8
Q
A
Auditory ossicles
9
Q
A
Apex
10
Q
A
Border of the helix
11
Q
A
Scapha
12
Q
A
Anthelix
13
Q
A
Antitragus
14
Q
A
Intertragic incisure
15
Q
A
Semiannular cartilage
16
Q
A
Annular cartilage
17
Q
A
Tragi (long hairs)
18
Q
A
Auricula
19
Q
A
Anthelix
20
Q
A
Tragus
21
Q
A
Antitragus
22
Q
A
Annular cartilage
23
Q
Which nerve innervates the muscles used for ear movement?
A
Intermediofacial nerve
24
Q
A
Concha
25
The composition of the external acoustic meatus
* Cartilagenous part (Distal)
* Osseus part (Proximal)
26
Earwax is produced by...
Sebaceous glands in the external acoustic meatus
27
Tympanic membrane separates...
External and middle ear
28
The tympanic membrane is suspended within the...
Tympanic ring
29
The inner layer of the tympanic membrane is in contact with the...
Malleus
30
Site of attachment of the malleus to the tympanic membrane
Umbo (of the membrane)
31
Give the order of ossicles in the middle ear
Tympanic membrane → Malleus → Incus → Stapes
32
Cavum tympani is located in which bone?
Temporal bone, pars petrousus
33
Guttural pouch
* Equine only
* Auditory tube forms a diverticulum
34
Parts of the cavum tympani
* Epitympanicum (dorsal part)
* Mesotympanicum (middle part)
* Hypotympanicum/tympanic bulla (ventral part)
35
Location of the ossicles
Epitympanicum
36
Which region of cavum tympani is the tympanic membrane?
Mesotympanicum
37
The base of the stapes is pressed against...
The oval vestibular window
38
Incus
39
Stapes (with stapedial muscle)
40
Malleus
41
M. tensor tympani
42
Tympanic membrane
43
Manubrium mallei
44
Tympanic membrane
45
Tympanic ring
46
Additional ossicle seen in juvenile animals...
Lenticular bone
* Between the incus and stapes
