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Flashcards in Ear Deck (13):
1

What are the sensory afferent fiber in the tympanic membrane?

CN 7,9, 10

2

Where is cone of light seen

Aneroinferior quadrant

3

Innervation of Tympanic Cavity

Tympanic Branch of cranial nerve 9

4

Innervation of Stapedius Muscle

Facial Nerve

5

Innervation of Tensor Tympani Muscle

Mandibular branch of trigeminal nerve

6

3 Auditory ossicles

Malleus
Incus
Stapes

7

This is an abnormal bone formation around the stapes and oval window

otosclerosis
Causes conduction deafness

8

Membrane that separates scala media and scala tympani

Basilar Membrane

9

Membrane that separates scala media and scala vestibuli

Reissner Membrane/ Vestibular Membrane

10

What contains perilymph

scala vestibuli
scala tympani

11

What contains endolymph

scala media

12

Detects linear acceleration

maculae utricle and saccule

13

Detects angular acceleration

ampullae of semicicular ducts