JUST THE EAR!
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| auditory canal | Channel that leads from the pinna to the eardrum.
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| auditory meatus | Auditory canal.
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| auditory nerve fibers | Carry impulses from the inner ear to the brain (cerebral cortex). These fibers compose the vestibulocochlear nerve
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| auditory tube | Channel between the middle ear and the nasopharynx; eustachian tube.
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| auricle | Flap of the ear; the protruding part of the external ear, or pinna.
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| cerumen | Waxy substance secreted by the external ear; also called earwax.
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| cochlea | Snail-shaped, pirally wound tube in the inner ear; contains hearing-sensitive receptor cells.
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| endolymph | Fluid within the labyrinth of the inner ear.
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| eustachian tube | Auditory tube.
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| incus | Second ossicle (bone) of the middle ear; incus means anvil.
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| labyrinth | Maze-like series of canals of the inner ear. This includes the cochlea, vestibule, and semicircular canals.
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| malleus | First ossicle of the middle ear; malleus means hammer.
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| organ of Corti | Sensitive auditory receptor area found in the cochlea of the inner ear.
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| ossicle | Small bone of the ear; includes the malleus, incus, and stapes.
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| oval window | Membrane between the middle ear and the inner ear.
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| perilymph | Fluid contained in the labyrinth of the inner ear.
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| pinna | Auricle; flap of the ear.
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| semicircular canals | Passages in the inner ear associated with maintaining equilibrium.
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| stapes | Third ossicle of the middle ear. Stapes means stirrup.
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| tympanic membrane | Membrane between the outer and the middle ear; also called the eardrum.
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| vestibule | 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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| acous/o | hearing
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| audi/o | hearing; the sense of hearing
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| audit/o | hearing
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| aur/o, auricul/o | ear (see also ot/o)
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| cochle/o | cochlea
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| mastoid/o | mastoid process
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| myring/o | eardrum, tympanic membrane (see also tympan/o)
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| ossicul/o | ossicle
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| ot/o | ear
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| salping/o | eustachian tube, auditory tube
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| staped/o | stapes (third bone of the middle ear)
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| tympan/o | eardrum, tympanic membrane
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| vestibul/o | vestibule
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| -acusis or -cusis | hearing
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| -meter | instrument to measure
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| -otia | ear condition
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| acoustic neuroma | Benign tumor arising from the acoustic vestibulocochlear nerve (eighth cranial nerve) in the brain.
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| cholesteatoma | Collection of skin cells and cholesterol in a sac within the middle ear.
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| deafness | Loss of the ability to hear.
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| Ménière disease | 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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| otitis media | Inflammation of the middle ear.
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| otosclerosis | Hardening of the bony tissue of the middle ear.
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| tinnitus | Sensation of noises (ringing, buzzing, whistling, booming) in the ears
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| vertigo | Sensation of irregular or whirling motion either of oneself or of external objects.
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| audiometry | Testing the sense of hearing.
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| cochlear implant procedure | Surgical insertion of a device that allows sensorineural hearing–impaired persons to understand speech.
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| ear thermometry | Measurement of the temperature of the tympanic membrane by detection of infrared radiation from the eardrum.
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| otoscopy | Visual examination of the ear canal with an otoscope
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| tuning fork test | Test of ear conduction using a vibration source (tuning fork).
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| AD | right ear (Latin, auris dextra)
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| AOM | acute otitis media
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| AS | left ear (Latin, auris sinistra)
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| EENT | eyes, ears, nose, and throat
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| ENG | electronystagmography—a test of the balance mechanism of the inner ear by assessing eye movements (nystagmus is rapidly twitching eye movement)
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| ENT | ears, nose, and throat
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| ETD | eustachian tube dysfunction
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| HEENT | head, eyes, ears, nose, and throat
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| PE tube | pressure-equalizing tube—a polyethylene ventilating tube placed in the eardrum (to treat recurrent episodes of acute otitis media)
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| SOM | serous otitis media
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| audiometer | instrument to measure hearing
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| otomycosis | fungal infection of the ear
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| Audiogram | Record of hearing using an audiometer.
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| Hyperacusis | Excessive sensitivity to sounds.
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| Macrotia | Abnormally large ears.
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| Microtia | Abnormally small ears.
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| Otopyorrhea | Discharge of pus from the ear.
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| Salpingopharyngeal | Pertaining to the eustachian tube and the throat.
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| Tympanoplasty | Surgical repair of the eardrum.
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| Vestibulocochlear | Pertaining to the vestibule and cochlea.
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