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| Channel that leads from the pinna to the eardrum |
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| Carry impulses from the inner ear to the brain (cerebral cortex). These fibers compose the vestibulocochlear nerve (cranial nerve VIII) |
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| Channel between the middle ear and the nasopharynx; eustachian tube |
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| Flap of the ear; the protruding part of the external ear, or pinna |
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| Waxy substance secreted by the external ear; aka ear wax |
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| Snail-shaped, spirally wound tube in the inner ear; contains hearing-sensitive receptor cells |
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| Fluid within the labyrinth of the inner ear |
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| Second ossicle of the middle ear |
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| Maze-like series of canals of the inner ear. This includes the cochlea, vestibule, and semicircular canals |
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| First ossicle of the middle ear |
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| Sensitive auditory receptor area found in the cochlea of the inner ear |
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| Small bone of the ear; includes the malleus, incus, and stapes |
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| Membrane between the middle ear and the inner ear |
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| Fluid contained in the labyrinth of the inner ear |
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| Passages in the inner ear associated with maintaining equilibrium |
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| Third ossicle of the middle ear |
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| Membrane between the outer and the middle ear; aka the eardrum |
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| Central cavity of the labyrinth, connecting the semicircular canals and the cochlea. The vestibule contains two structures, the saccule and utricle, that help maintain equilibrium |
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| Hearing, the sense of hearing |
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| Eardrum, tympanic membrane |
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| Eustachian tube, auditory tube |
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| Stapes (third bone of the middle ear) |
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| Eardrum, tympanic membrane |
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| Benign tumor arising from the acoustic vestibulocochlear nerve (eighth cranial nerve) in the brain. Tumor causes tinnitus (ringing in the ears), vertigo (dizziness), and decreased hearing. |
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| Collection of skin cells and cholesterol in a sac within the middle ear.Accompanied with foul-smelling discharge and perforations in the tympanic membrane. |
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| Loss of ability to hear. Nerve deafness (sensorineural hearing loss) is from impairment of the cochlea or auditory nerve. Conductive deafness is from impairment of the middle ear ossicles and membranes transmitting sound waves into the cochlea |
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| Disorder of the labyrinth of the inner ear; elevated endolymph pressure within the cochlea (cochlear hydrops) and semicircular canals (vestibular hydrops) |
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