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Chp.6
The Ear
| Term | Definition |
|---|---|
| Acous/o | Hearing |
| ot/o | ear |
| typan/o | eardrum |
| aer/o | air or gas |
| salping/o | tube |
| External Ear | outer structures of the ear that collect sound |
| external acoustic meatus | external passage for sounds collected from the auricle to the tympanic membrane |
| external auditory meatus | external passage for sounds collected from the auricle to the tympanic membrane |
| Middle Ear | structures in the middle of the ear that vibrate sound from the tympanic membrane to the internal ear |
| cochlea | coiled tubular structure of the internal ear that contains the spiral organ of Corti; |
| perilymph | fluid that fills the bony labyrinth of the internal ear |
| endolymph | fluid within the membranous labyrinth of the internal ear |
| vestibule | functions to provide body balance and equilibrium |
| utricle | the larger of two sacs within the membranous labyrinth of the vestibule in the inner ear |
| saccule | the smaller of two sacs within the membranous labyrinth of the vestibule in the inner ear |
| otalgia | earache |
| otorrhea | purulent drainage from the ear |
| tinnitus | a ringing or buzzing in the ears; a jingling |
| myringitis | inflammation of the eardrum |
| tympanitis | inflammation of the eardrum |
| aerotitis media | inflammation of the middle ear from changes in the atmospheric pressure |
| otosclerosis | hardening of the bony tissue in the ear |
| labyrinthitis | inflammation of the labyrinth (internal ear), usually accompanied by vertigo and deafness |
| deafness | general term for partial or complete loss of hearing |
| conductive hearing loss | hearing impairment caused by interference with sound or vibratory energy in the external canal, middle ear, or ossicles |
| sensorineaural hearing loss | hearing impairment caused by lesions of dysfunction of the cochlea or cochlear (auditory) nerve |
| mixed hearing loss | combination of sensorineural and conductive hearing loss |
| presbycusis | hearing impairment in old age |
| audiometer | instrument to measure hearing |
| audiologist | hearing professional who specializes in the study of hearing impairments |
| otoscope | instrument for examining the ear |
| microsurgery | surgery with the use of a microscope used on delicate tissue, such as the ear |
| otoplasty | surgical repair of the external ear |
| hearing aid | an external amplifying device designed to improve hearing by more effective collection of sound into the ear |
| BAEP | brainstem auditory evoked potential |
| ENT | ear, nose, and throat |
| PE | polyethylene |
| TM | tympanic membrane |