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Transcript 
The Ear & Hearing
By
Michael J. Harman 
External Ear
Auricle
External auditory meatus
Middle Ear
Tympanic membrane
Eardrum
Auditory ossicles
Malleus
Incus
Stapes
Auditory (Eustacian) tube
Internal Ear
Osseous labyrinth
Outer white layer (osseous means bony)
Membranous labyrinth
Inner gray layer
Cochlea
Oval window
Behind the stapes
Round window
Oval Window
Organ of Corti
Contains receptor hair cells
Semicircular canal
Ampulla
Swelling at one end of all 3 semicircular canals
Saccule
Expanded chamber that communicates with the cochlea
Utricle
Expanded chamber that communicates with the saccule from the semicircular canals
Vestibulocochlear (Auditory) nerve
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