Ear Functions Flashcards
(10 cards)
1
Q
auricle/pinna
A
gather and funnel sound waves coming from external acoustic meatus
2
Q
external acoustic meatus
A
bring in sound-waves to the tympanic membrane
3
Q
tympanic membrane
A
transfers sound to ossicles
4
Q
ossicles
A
transmit vibrations of eardrum across the cavity to a fluid in inner ear- the cochlea(malleus, incus, stapes)
5
Q
oval window
A
vibrations from stapes causes movement on fluid in cochlea
6
Q
eustachian tube
A
keeps pressure in the middle ear
7
Q
semicircular canals
A
equilibrium
8
Q
cochlea
A
hearing
9
Q
vestibulocochlear nerve
A
transmitting sound and equilibrium
10
Q
round window
A
movement of fluid within the cochlea b/c of movement of stapes
