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Chapter 6
The Ear
| Question | Answer |
|---|---|
| aur/i | ear |
| salping/o | tube |
| auricle | projected part of the external ear; also called pinna (pinna=feather) |
| cerumen | a waxy substance secreted by glands located throughout the external canal |
| malleus | first of the three auditory ossicles of the middle ear; also called the hammer |
| auditory tube | tube connecting the middle ear to the pharynx (throat); also called the eustachian tube |
| oval window | membrane that covers the opening between the middle ear and the internal ear |
| perilymph | fluid within the membranous labyrinth of the internal ear |
| endolympth | fluid within the membranous labyrinth of the internal ear |
| utricle | the larger of the two sacs within the membranous labyrinth of the vestibule in the internal ear (uter= leather bag) |
| otodynia | earache; also called otalgia |
| vertigo | a turning round; dizziness |
| tympanitis | inflammation of the eardrum; also called myringitis |
| otosclerosis | hardening of the bony tissue in the ear |
| deafness | general term for partial or complete loss of hearing |
| presbyacusis | hearing impairment in old age; also called presbycusis |
| audiogram | recording of hearing measurement |
| audiologist | health professional who specializes in the study of the hearing impairments |
| otoscope | instrument for examining the ear |
| microsurgery | surgery with the use of a microscope used on delicate tissue, such as the ear |
| stapedectomy | excision of the stapes to correct otosclerosis |
| auditory prosthesis | any internal or external device that improves or substitutes for natural hearing |
| ear lavage | irrigation of the external canal, often to remove excessive buildup of cerumen |
| antihistamine | a drug that blocks the effects of a histamine |
| acous/o | hearing |
| cerumin/o | wax |
| tympan/o | eardrum |
| pinna | projected part of the external ear; also called auricle (little ear) (pinna=feather) |
| middle ear | structures in the middle of the ear that vibrate sound from the tympanic membrane to the internal ear |
| stapes | last of the three auditory ossicles of the middle ear; also called the stirrup |