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919 Med Term > Ear > Flashcards

Ear Flashcards

1
Q

acous/o, audi/o

A

hearing

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2
Q

aer/o

A

air or gas

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3
Q

aur/i, ot/o

A

ear

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4
Q

cerumin/o

A

wax

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5
Q

salping/o

A

eustachian tube or uterine tube

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6
Q

tympan/o, myring/o

A

eardrum

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7
Q

acusis

A

hearing condition

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8
Q

outer structures of the ear that collect sound

A

external ear

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9
Q

auricle (little ear); projected part of the external ear

A

pinna

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10
Q

external passage for sounds collected from the pinna to the tympanum

A

external auditory meatus (canal)

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11
Q

a waxy substance secreted by glands located through the external canal

A

cerumen

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12
Q

structures in the middle of the ear that vibrate sound from the tympanic membrane to the inner ear

A

middle ear

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13
Q

eardrum; drum-like structure that receives sound collected in the external auditory canal (meatus) and amplifies it through the middle ear

A

tympanic membrane (TM)

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14
Q

hammer; first of the three auditory ossicles of the middle ear

A

malleus

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15
Q

anvil; middle of the three auditory ossicles of the middle ear

A

incus

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16
Q

stirrup; last of the three auditory ossicles of the middle ear

A

stapes

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17
Q

tube connecting the middle ear to the pharynx

A

eustachian (auditory) tube

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18
Q

membrane that covers the opening between the middle ear and inner ear

A

oval window

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19
Q

intricate, fluid-filled, intercommunicating bony and membranous passages that function in hearing by relaying sound waves to auditory nerve fibers on a path to the brain for interpretation; also sense body movement and position to maintain balance and equilibrium

A

inner ear, labyrinth

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20
Q

coiled tubular structure of the inner ear that contains the organ of Corti

A

cochlea

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21
Q

fluid that fills the bony labyrinth of the inner ear

A

perilymph

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22
Q

fluid within the membranous labyrinth of the inner ear

A

endolymph

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23
Q

structure located in the cochlea; contains receptors (hair cells) that receive vibrations and generate nerve impulses for hearing

A

organ of Corti

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24
Q

middle part of the inner ear, in front of the semicircular canals and behind the cochlea, that contains the utricle and the saccule; functions to provide body balance and equilibrium

A

vestibule

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25
Q

the larger of the two sacs within the membranous labyrinth of the vestibule in the inner ear

A

utricle

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26
Q

the smaller of the two sacs within the membranous labyrinth of the vestibule in the inner ear

A

saccule

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27
Q

three canals within the inner ear that contain specialized receptor cells that generate nerve impulses with body movement

A

semicircular canals

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28
Q

earache

A

otalgia, otodynia

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29
Q

bleeding from the ear

A

otorrhagia

30
Q

purulent drainage from the ear

A

otorrhea

31
Q

a jingling; a ringing or buzzing in the ear

A

tinnitus

32
Q

a turning round; dizziness

A

vertigo

33
Q

inflammation of the external auditory meatus (canal)

A

otitis externa

34
Q

excessive buildup of wax in the ear that often reduces hearing acuity, especially in elderly persons

A

cerumen impaction

35
Q

inflammation of the eardrum

A

myringitis, tympanitis

36
Q

inflammation of the middle ear

A

otitis media

37
Q

inflammation of the middle ear from changes in atmospheric pressure; often occurs with frequent air travel

A

aerotitis media

38
Q

blockage of the eustachian tube, usually as a result of infection, as in otitis media

A

eustachian obstruction

39
Q

hardening of the bony tissue in the ear

A

otosclerosis

40
Q

benign tumor on the auditory nerve (8th cranial nerve) that causes vertigo, tinnitus, and hearing loss

A

acoustic neuroma

41
Q

inflammation of the labyrinth (inner ear)

A

labyrinthitis

42
Q

disorder of the inner ear resulting from an excessive buildup of endolymphatic fluid, causing episodes of vertigo, tinnitus, nausea, vomiting, and hearing loss; one or both ears can be affected, and attacks vary in both frequency and intensity

A

Meniere disease

43
Q

general term for partial or complete loss of hearing

A

deafness

44
Q

hearing impairment caused by interference with sound or vibratory energy in the external canal, middle ear, or ossicles

A

conductive hearing loss

45
Q

hearing impairment caused by lesions or dysfunction of the cochlea or auditory nerve

A

sensorineural hearing loss

46
Q

combination of sensorineural and conductive hearing loss

A

mixed hearing loss

47
Q

hearing impairment in old age

A

presbyacusis, presbycusis

48
Q

process of measuring hearing

A

audiometry

49
Q

instrument to measure hearing

A

audiometer

50
Q

record of hearing measurement

A

audiogram

51
Q

health professional who specializes in the study of hearing impairments

A

audiologist

52
Q

physical assessment of hearing; useful in differentiating between conductive and sensorineural hearing loss

A

auditory acuity testing

53
Q

a two-pronged, fork-like instrument that vibrates when struck; used to test hearing, especially bond conduction

A

tuning fork

54
Q

electrodiagnostic testing that uses computerized equipment to measure involuntary responses to sound within the auditory nervous system; commonly used to assess hearing in newborns

A

brainstem auditory evoked potential (BAEP), brainstem auditory evoked response (BAER)

55
Q

use of an otoscope to examine the external auditory canal and tympanic membrane

A

otoscopy

56
Q

otoscopic observation of the tympanic membrane as air is released into the external auditory meatus; immobility indicates the presence of middle ear effusion (fluid buildup), as occurs as a result of otitis media

A

pneumatic otoscopy

57
Q

measurement of the compliance and mobility (conductibility) of the tympanic membrane and ossicles of the middle ear by monitoring the response to external airflow pressures

A

tympanometry

58
Q

surgery with the use of a microscope used on delicate tissue, such as the ear

A

microsurgery

59
Q

incision into the eardrum, most often for insertion of a small polyethylene (PE) tube to keep the canal open and prevent fluid buildup, such as occurs in otitis media

A

myringotomy, tympanostomy

60
Q

surgical repair of the external ear

A

otoplasty

61
Q

excision of the stapes to correct otosclerosis

A

stapedectomy

62
Q

vein graft of a scarred tympanic membrane to improve sound conduction

A

tympanoplasty

63
Q

any internal or external device that improves or substitutes for natural hearing

A

auditory prosthesis

64
Q

an external amplifying device designed to improve hearing by more effective collection of sound into the ear

A

hearing aid

65
Q

an electronic device implanted in the cochlea that provides sound perception to patients with sever or profound sensorineural (nerve) hearing loss in both ears

A

cochlear implant

66
Q

irrigation of the external ear canal, often to remove excessive buildup of cerumen

A

ear lavage

67
Q

introduction of a medicated solution into the external canal, usually administered by drop or drops in the affected ears

A

ear instillation

68
Q

drug that inhibits the growth of or destroys microorganisms; used to treat diseases caused by bacteria (ex.: otitis media)

A

antibiotic

69
Q

drug that blocks the effects of histamine

A

antihistamine

70
Q

a regulatory body substance released in allergic reactions, causing swelling and inflammation of tissues; seen in hay fever and urticaria (hives)

A

histamine

71
Q

drug that reduces inflammation

A

antiinflammatory

72
Q

drug that reduces congestion and swelling of membranes, such as those of the nose and eustachian tube in an infection

A

decongestant

919 Med Term (7 decks)

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