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PTCE

Auditory System

AnatomyEar ComponentFunction
External Ear Auditory canal Links the external ear to the tympanic membrane
External Ear Tympanic membrane Protects middle ear from foreign objects & transmits sound waves to the middle ear
Middle Ear Malleus (hammer) Transmits sound waves
Middle Ear Incus (anvil) Transmits sound waves
Middle Ear Stapes (stirrup) Transmits sound waves
Middle Ear Eustachian tube Connects middle ear to the nasopharynx; relieves the pressure between the outside & inside of the ear during swallowing & yawning
Inner Ear Labyrinth Transmits audible sounds via nerve impulses
Inner Ear Cochlea Transmits impulses l to the brain
Inner Ear Vestibule Responsible for equilibrium & balance
Inner Ear Semicircular canal Transfer of message via acoustic nerve
External Ear Auricle Serves an entrance for sound into the ear
Created by: SPerez89
 

 



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