Loading....
Coupon Accepted Successfully!

ENT

Open Flashcards

Embryology and Anatomy of Ear

Question
4 out of 70
 

Which of the following nerves has no sensory supply to the auricle: (AIIMS Nov 2012)



A Lesser occipital nerve

B Greater auricular nerve

C Auricular branch of vagus nerve

D Tympanic branch of glossopharyngeal nerve

Ans. D Tympanic branch of glossopharyngeal nerve.

Nerve Supply of Ear

External. Ear

Auricle/pinna

External acoustic meatus

Tympanic membrane

Middle ear Cavity i.e. mucosa mastoid, muscles antrum, air cells, auditory tube

Lateral surface

1. Upper 1/3 by

auriculotemporal

nerve

2. Lower 2/3 by greater

auricular nerve

Medial surface

1. Upper 1/3 by lesser

occipital nerve

2. Lower 2/3 by greater

auricular nerve

3. Root of auricle by

auricular branch of

vagus nerve

1. Anterior wall and roof by auriculotempora nerve

2. Posterior wall and floor by auricular branch of

vagus nerve

3. Posterior wolf of auditory

canal also receives

innervations by facial

nerve through auricular

branch of vagus

Lateral surface

1. Anteroinferior part

by auriculo temporal

nerve

2. Posteriosuperior part

by auricular branch of

vagus nerve

Media surface

Tympanic branch of

glossopharyngeal nerve

(Jacobson nerve)

Tympanic plexus formed

by:

1. Tympanic branch of

gIossopharyngea I

nerve,

2. Superior and inferior

Carotympanic nerves

(Sympathetic plexus

around internal

carotid)

Tensor tympani by:

Stapedius by facial nerve

Embryology and Anatomy of Ear Flashcard List

70 flashcards
1)
2)
3)
4)
5)
6)
7)
8)
9)
10)
11)
12)
13)
14)
15)
16)
17)
18)
19)
20)
21)
22)
23)
24)
25)
26)
27)
28)
29)
30)
31)
32)
33)
34)
35)
36)
37)
38)
39)
40)
41)
42)
43)
44)
45)
46)
47)
48)
49)
50)
51)
52)
53)
54)
55)
56)
57)
58)
59)
60)
61)
62)
63)
64)
65)
66)
67)
68)
69)
70)