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HCTA MedTerm ch11
HCTA MedTerm Ch 11 Ear
Question | Answer |
---|---|
acous/o, audi/o | hearing |
aer/o | air/gas |
auri, oto | ear |
cerumin/o | wax |
salping/o | eustachain tube or uterine tube |
tympan/o, myring/o | eardrum |
-acusis (suffix) | hearing condition |
external ear | outter surfaces collecting sounds |
pinna | auricle (little ear) projecting part of external ear (pinna = feather) |
external auditory meatus, or canal | collects sounds from pinna |
middle ear | vibrate sound from tympanic membrane to inner ear |
tympanic membrane (TM) | eardrum |
malleus, incus, stapes | hammer, anvil, stirrup (ossicles) |
auditory tube aka? | eustachian tube goes from middle ear to pharynx (throat) |
labyrinth | aka: inner ear, fluid-filled, bony and membranous passages relay sound to auditory nerves, balance and equilibrium too |
chochlea | coiled structure of inner ear containing organ of corti |
perilymph | fluid of bony labyrinth of inner ear |
endolymph | fluid w/in membranous labyrinth of inner ear |
Organ of Corti | In the Inner Ear, contains Hair Cell Receptors for Hearing |
Vestibule | Middle part of inner ear, in front of semicircular canals, and behind cochlea, contains the Utricle and Saccule, functions to provide Balance and Equilibrium |
Utricle | Lgr of 2 sacs w/in mem-labyinth of vestibule |
saccule | sm'r of 2 sacs w/in mem-labyrinth of vestibule in inner ear |
semicircular canals | three canals w/in inner ear, receptor cells gen nerve impulses w/ body movement |
Otalgia, Otodynia | earache |
Otorrhagia | bleeding from ear |
Otorrhea | purulent dc from ear |
tinnitus | ear ringing |
vertigo | dizziness |
myringitis, tympanitis | inflammation of eardrum |
aerotitis media | inflammation of middle ear b/c change in atm press |
otosclearosis | hardening of bony tissue in ear |
acoustic neuroma | benign tumor of auditory nearve 8th cranial nerve, causes vertigo, tennitus, hearing loss |
labyrinthitis | inflammation of labyrinth (inner ear) |
Meniere Dz | Dz of inner ear of excessive buildup of edolymphatic fluid causes vertigo, tinnitus, N&V, hearing loss |
Prebyacusis, prebycusis | old age hearing loss |