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