AUDItory and Vestibular Flashcards Preview

Neurology > AUDItory and Vestibular > Flashcards

Flashcards in AUDItory and Vestibular Deck (12)
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1
Q

Basilar Membrane

A

Bottom is stiff, High F.

2
Q

Organ of Corti

A

Has hair cells. Cochlea

3
Q

Sensorineural Hearing Loss

A

Damage to hair cells by Disease/ototoxicity/sound damage

4
Q

Conduction Hearing Loss

A

Problem conducting sound waves by ear wax, ear infection, ear drum perforation, pressure differences

5
Q

Stereocelia towards KINOCILIA

A

Depolarizing, results in receptor potential

6
Q

Otolithic organs

A

Detect linear accel. Utricle and Saccule

7
Q

Calcium Carbonate Crystals

A

weigh sheet of hair cells and cause membrane to lag and create shearing force

8
Q

Lateral Vestibulospinal Tract

A

Innervate otolithic organs and terminate on cells in the lat vestibular nuc

9
Q

Semicircular canals

A

detect angular accel. 1 horizontal, 2 vert.

10
Q

Cupula

A

Gelatinous membrane w hair cells

11
Q

Ampulae

A

Small swelling of canal

12
Q

Medial Longitudinal Fasiculus

A

Connects the vestibular nuc of brainstem to CN 3,4,6