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Accurately depicts the normal anatomy of the ear. Cutaway of the external auditory canal displaying the outer, middle and inner ear.  Labels: tympanic membrane (ear drum), malleus (hammer), incus (anvil), stapes (stirrup), auditory (eustachian) tube, oval window, vestibule, cochlea, vestibulocochlear nerve and semicircular canals. Shows auditory ossicles (bones) of the middle ear. Describes the tympanic membrane, auditory ossicles, cochlea, semicircular canals and vestibulocochlear nerve.