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ch 13
| Question | Answer |
|---|---|
| external ear auricle (pinna) | external structure located on both sides of the head. The auricle directs sound waves into the external auditory meatus |
| external auditory meatus | short tube that ends at the tympanic membrane. the inner part lies within the temporal bone of the skull and contains the glands that secrete earwax |
| middle ear tympanic membrane | semitransparent membrane that seperates the external auditory meatus and the middle ear cavity. The tympanic membrane transmits sound vibrations to the ossicles |
| eustachian tube | connects to the middle ear and the pharynx. It equalizes the air pressure on both sides of the ear drum |
| ossicles | bones in the middle ear that carry sound vibrations. The ossicles are composed of the malleus, incus and stapes. |
| Labyrinth | bony spaces within the temporal bone of the skull. It contains the cochlea, semicircular canals, and vestibule. |
| cochlea | is snail shaped and contains the organ of hearing. The cochlea connects to the oval window in the middle ear. |
| semicircular canals and vestibule | contains receptors and endolymph that help the body maintain its sense of balance |
| mastoid bone and cells | located in the skull bone behind the external auditory meatus |
| audi/o | hearing |
| aur/i aur/o ot/o | ear |
| cochlea/o | cochlea |
| labrynth/o | labrynth (inner ear) |
| mastoid/o | mastoid bone |
| myring/o | tympanic membrane (ear drum) |
| staped/o | stapes ( middle ear bone) |
| tympan/o | tympanic membrane (eardrum), middle ear |
| vestibul/o | vestibule |
| labyrnthitis | inflammation of the labrynth |
| mastoiditis | inflammation of the mastoid bone |
| myringitis | inflammation of the tympanic membrane |
| otalgia | pain in the ear |
| otomastoiditis | inflammation of the ear and mastoid bone |
| otomycosis | abnormal condition of fungus in the ear ( usually affects the external auditory meatus) |
| otopyorrhea | discharge of pus from the ear |
| otorrhea | discharge form the ear |
| otosclerosis | hardening of the ear (stapes) caused by irregular bone development and resulting in hearing loss |
| tympanic | |
| acoustic neuroma | benign tumor within the auditory canal growing from the acoustic nerve |
| ceruminoma | tumor gland that secretes ear wax |
| cholesteatoma | cystlike mass composed of epithelial cells and cholesterol occurring in the middle ear, may be associated with chronic otitis media |
| meniere disease | chronic disease of the inner ear characterized by dizziness, ringing in the ear, and hearing loss |
| otitis externa | inflammation of the outer ear |
| otitis media | inflammation of the middle ear |
| presbycusis | hearing impairment in old age |
| tinnitus | ringing in the ears |
| vertigo | a sense that either ones own body or the environment is revolving, may indicate inner ear disease. |
| cochlear implant | pertaining to the cochlea implant ( surgically implanted device that uses electrical currents to stimulate the auditory nerve) |
| labyrinthectomy | excision of the labrynth |
| mastoidectomy | excision of the mastoid bone |
| mastoidotomy | incision into the mastoid bone |
| myringoplasty | surgical repair of the tympanic membrane |
| myringotomy | incision into the tympanic membrane ( performed to release pus or fluid) |
| stapedectomy | excision of the stapes ( performed to restore hearing in cases of otosclerosis) |
| tympanoplasty | surgical repair of the inner ear |
| audiogram | graphic record of hearing |
| audiometer | instrument used to measure hearing |
| audiometry | measurement of hearing |
| otoscope | instrument used for visual examination of the ear |
| otoscopy | visual examination of the ear |
| tympanometer | instrument used to measure the middle ear function |
| tympanometry | measurement of movement of the tympanic membrane |
| audiologist | one who studies and specializes in hearing |
| audiology | study of hearing |
| aural | pertaining to the ear |
| cochlear | pertaining to the cochlea |
| otologist | physician who studies and treats diseases of the ear |
| otology | study of the ear |
| otorhinolaryngologist | physician who studies and treats diseases of the ear, nose and larynx |
| vestibular | pertaining to the vestibule |
| vestibulocochlear | pertaining to the vestibule and the cochlea |
| AOM | acute otitis media |
| EENT | eyes, ears, nose and throat |
| ENT | ears, nose and throat |
| OM | otitis media |
| AU | Both left and right ears ( Aurus Uterque) |
| AD | Right Ear (Aurus Dextra) |
| AS | Left ear (Aurus sinistra) |
Created by:
stemplin