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21 Cards in this Set
- Front
- Back
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auditory canal
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Channel that leads from the pinna to the eardrum.
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auditory meatus
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Auditory canal.
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auditory nerve fibers
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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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auditory tube
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Channel between the middle ear and the nasopharynx; eusthachian tube.
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auricle
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Flap of the ear; the protruding part of the external ear; or pinna
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cerumen
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Wax substance secreted by the extrnal ear; also called ear wax.
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cochlea
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Snail-shaped, spirally wound tube in the inner ear; contains hearing-sensitive receptor cells.
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endolymph
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Fluid within the labyrinth of the inner ear.
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eustachian tube
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Auditory tube.
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incus
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Second ossicle (bone) of the middle ear; incus means anvil.
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labyrinth
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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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malleus
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First ossicle of the middle ear; malleus means hammer.
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organ of Corti
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Sensitive auditory receptor area found in the cochlea of the inner ear.
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ossicle
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Small bone of the ear; includes the malleus, incus, and stapes.
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oval window
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Membrane between the middle ear and the inner ear.
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perilymph
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Fluid contained in the labyrinth of the inner ear.
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pinna
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Auricle; flap of the ear.
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semicircular canals
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Passages in the inner ear associated with maintaining equilibrium.
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stapes
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Third ossicle of the middle ear. Stapes means stirrup.
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tympanic membrane
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Membrane between the outer and the middle ear; also called eardrum.
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vestibule
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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 to maintain equilibrium.
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