Anatomy of the Ear

Question 1

Vestibule

Answer 1

inner ear - structure for linear acceleration and deceleration (equilibrium)

Question 2

cerumen gland

Answer 2

outer ear - protective

Question 3

stapes

Answer 3

middle ear (bone) - transmitting vibration

Question 4

pinna/auricle

Answer 4

outer ear - transmitting sound

Question 5

utricle

Answer 5

inner ear - structure for linear acceleration and deceleration (equilibrium)

Question 6

tensor tympani

Answer 6

middle ear - motor nerve

Question 7

CN VII (facial)

Answer 7

middle ear - motor nerve

Question 8

saccule

Answer 8

inner ear - structure for linear acceleration and deceleration (equilibrium)

Question 9

external auditory meatus

Answer 9

outer ear- transmitting sound

Question 10

maculae

Answer 10

inner ear - structure for linear acceleration and deceleration (equilibrium)

Question 11

ampullae

Answer 11

inner ear - structure for rotational acceleration and deceleration (equilibrium)

Question 12

eustachian (auditory) tube

Answer 12

middle ear - equalizing pressure

Question 13

malleus

Answer 13

middle ear (bone) - transmitting vibration

Question 14

CN VIII

Answer 14

inner ear - sensory nerve

Question 15

cochlea

Answer 15

inner ear - structure for hearing

Question 16

tympanic membrane

Answer 16

outer ear - transmitting sound
middle ear- transmitting vibration

Question 17

stapedius

Answer 17

middle ear - muscle

Question 18

CN V3 (mandibular branch of trigeminal)

Answer 18

middle ear - motor nerve

Question 19

semicircular canal

Answer 19

inner ear - structure for rotational acceleration and deceleration (equilibrium)

Question 20

oval window

Answer 20

middle ear - transmitting vibration
inner ear - transmitting vibration

Question 21

round window

Answer 21

middle ear - transmitting vibration
inner ear - transmitting vibration

Question 22

incus

Answer 22

middle ear (bone) - transmitting vibration

Question 23

spiral organ of Corti

Answer 23

inner ear - structure for hearing