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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). - PowerPoint PPT Presentation
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The Ear & Hearing
By Michael J. Harman
External Ear
Auricle
External auditory meatus
Middle Ear
Tympanic membraneEardrum
Auditory ossicles
Malleus
Incus
Stapes
Auditory (Eustacian) tube
Internal Ear
Osseous labyrinthOuter white layer (osseous means bony)
Membranous labyrinthInner gray layer
Cochlea
Oval windowBehind 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
SacculeExpanded chamber that communicates with the cochlea
UtricleExpanded chamber that communicates with the saccule from the semicircular canals
Vestibulocochlear (Auditory) nerve