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Chapter 6 CNHP 2010
Flash Cards
Term | Definition |
---|---|
acous/o, audi/o | hearing |
aur/i, ot/o | ear |
myring/o, tympan/o | eardrum |
cerumin/o | wax |
salping/o | tube |
pinna | projected part of external ear |
Middle Ear | this part of the ear vibrates sounds from the tympanic membrane to the inner ear. |
tympanic membrane | this drum like structure takes collected sounds from the external acoustic meatus and amplifies it to the middle ear. (tympanum) |
malleus | this the first of the 3 auditory ossicles in the middle ear. (hammer) |
incus | the second (middle) auditory ossicle. (anvil) |
stapes | the third (last) auditory ossicle. (stirrup) |
oval window | the membrane covered opening between the middle ear and internal ear. |
perilymph | fluid within the bony ladyrinth in the internal ear. |
endolymph | fluid within the membranous ladyrinth on the internal ear. |
utricle | the biggest of two sacs within the membranous labyrinth of the vestibule in the inner ear |
saccule | the smallest of two sacs within the membranous labyrinth of the vestibule in the inner ear |
otalgia, otodynia | ear pain |
otorrhea | drainage of liquid from the ear |
tinnitus | ringing/buzzing of the ears. |
myringitis, tympanitis | inflammation of eardrum |
aerotitis media | inflammation of middle ear due to changes in atmospheric pressure. Ex: taking off in an airplane |
otosclerosis | hardening of boney tissue in the ear |
Meniere's disease | disorder of the ear that leads to vertigo ( dizziness) and hearing loss. |
conductive hearing loss | sound that can not get through the outer ear to the middle ear. |
presbyacusis | hearing loss because of old age |
audiogram | record of hearing measurement. |
brainstem auditory evoked potential (BAEP) | measures the functioning of the auditory nerve and auditory pathways in the brainstem. |
brainstem auditory evoked response (BAER) | test to measure the brain wave activity that occurs in response to clicks or certain tones. |
microsurgery | surgery with the use of a microscope used on delicate tissue, such as the ear |
otoplasty | surgical repair of the external ear |