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How Sound Travels Through The Ear ear (External Ear kisspng-eardrum-ear…
How Sound Travels Through The Ear
External Ear
Middle Ear
Inner Ear
Oval Window
Scala Vestibuli
Conducts sound vibrations into the Cochlear Duct
Cochlear Duct
Organ of Corti
- Tiny hairs bend to vibrations and release neurotransmitters
Pathway to the Brain
Electric signals are send as the hairs bend
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Scala Tympani
:
Round Window/Tympanic Cavity
Sound escapes
Vibrations escape to the Tympanic Cavity
Vestibluocochlear Nerve
- Sends nerve impulses to auditory cortex
Vibrations are sent through the window and into the fluid filled cavity
Auditory Ossicles
Malleus
- Vibrates in unison to the Tympanic Membrane
Incus
- Passes and amplifies the vibrations to the Stapes
Stapes
- Like a piston sends vibrations into the Oval Window
Auricle
External Acoustic Meatus
Tympanic Membrane
Vibrates in response to sound waves
Sound travels through the meatus til it hits the Tympanic Membrane
Funnels sound to the External Acoustic Meatus