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How Sound Travels Though The Ear? (tympanic-membrane External Ear…
How Sound Travels Though The Ear?
External Ear
Auricle
External Acoustic Meatus
tympanic membrane
vibrates in response to sound waves
once the sound travels though the external acoustic meatus it goes to the tympanic membrane
sound goes into a funnel to the external acoustic meatus
Middle Ear
auditory Ossicles
Incus
-sends info from Malleus to the Stapes and also amplifies the sound
Stapes
- sends single like vibration to the Oval Window
Malleus
- vibrates in unison to the Tympanic Membrane
Inner Ear
Oval Window
Scala Vestibuli
Cochlear Duct
Vestibluocochlear Nerve
- sends nerve singles to the auditory cortex
Organ Of Corti
- small hairs bend and vibrates to send neurotransmitters
pathway to the brain
electric singles are sent as the hairs bend
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Scala Tympani
Round Window/ Tympanic Cavity
sounds leave
sounds leave though the Tympanic Cavity
conducts sound vibrations into the cochlear duct
vibrations are sent though the window and into the fluid cavity
