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Stack #169604
The Ear
| Question | Answer |
|---|---|
| What is the process of measuring hearing? | Audiometry |
| What is the instrument to measure hearing? | Audiometer |
| What is the record of hearing measurement called? | Audiogram |
| What do you call the person who specializes in the study of hearing impairments? | Audiologist |
| What is the general term for partial or complete hearing loss? | Deafness |
| What do you call hearing impairment caused by interference with sound or vibratory energy in the external canal, middle ear, or ossicles? | Conductive hearing loss |
| What do you call hearing impairment caused by lesions or dysfunction of the cochlea or auditory nerve? | Sensorineural hearing loss |
| What is a combination of sensorineaural and conductive hearing loss? | Mixed hearing loss |
| What is hearing impairment in old age? | Presbyacusis or Prebycusis |
| auricle(little ear) projuctied part of the external ear | Pinna |
| external passage for sounds collected from the pinna to the tympanum | external auditory meatus (canal) |
| waxy substance secredted by glands located throughout the external canal | cerumen |
| eardrum; drum-like structure that receives sound collected in the external auditory meatus (canal) and amplifies it through the middle ear | tympanic membrane (TM) |
| hammer; first of the three auditory ossicles of the middle ear | malleus |
| anvil; middle of the tree auditory ossicles of the middle ear | incus |
| stirrup; last of the tree auditory ossicles of the middle ear | stapes |
| tube connectig the middle ear to the pharynx (throat) | eustachian tube or auditory tube |
| projection of the temporal bone located behind the ear containing air cells that connect to the middle ear (masto=breast) | mastoid process |
| membrane that covers the opening between the middle ear and inner ear | oval window |
| structures and liquids that relay sound waves to the auditory nerve fibers on a path to the brain for interpretation of sound | inner ear |
| maze; inner ear consisting of bony and membranous labyrinths | labyrinth |
| coiled tubular structure of the inner ear that contains the organ of Corti | cochlea |
| fluid that fills the bony labyrinth of the ear | perilymph |
| fluid within the cochlear duct of the inner ear (labyrinth) | endolymph |
| organ located in the cochlea that contains receptors (hair cells) that receive vibrations and generate nerve impulses for hearing | organ of Corti |
| middle part of the inner ear in front of the semicircular canals and behind the cochlea that contains the ultricle and saccule | vestibule |
| smaller of two sacs within the membranous labyrinth of the vestibule in the inner ear (sacculus=small bag) | saccule |
| three canals withing the inner ear that contain specialized receptor cells that generate nerve impulses with body momement | semicircular canals |
| earche | otalgia or otodynia |
| bleeding from the ear | otorrhagia |
| purulent drainage from the ear | ottorrhea |
| a jingling; ringing or buzzing in the ear | tinnitus |
| a tuning round; dizziness | vertigo |
| inflammation of the external auditory meatus (canal) | otitis externa |
| excessive buildup of wax in the ear | cerumen impaction |
| inflammmation of the eardrum | myringitis or tympanitis |
| inflammation of the middle ear | otiis media |
| inflammation of the middle ear from changes in atmospheric pressure; often occurs in frequent air travel | aerotitis media |
| hardening of the bony tissue in the ear | otosclerosis |
| inflammation of the mastoid process; most commonly seen as a result of the spread of inflammation and infection in otitis media | mastoiditis |
| blockage of the eustachian tube usually as a result of infection, as in otitis media | eustachian obstruction |
| benign tumor on the auditory nerve that causes vertigo, tinnitus,and hearing loss | acoustic neuroma |
| condition of absence or malformation of inner ear structures during embryonic development, resulting in hearing loss | aplasia |
| inflammation of the labyrinth | labyrinthitis |
| disorder of teh inner ear due to an excessive buildup of endolymphatic fluid causing episodes of veritigo, tinnitus, nausea, vomiting and hearingloss; one or both ears can be affected, and attacks vary in frequency and intensity | Meniere disease |
Created by:
melanie68
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