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Medical Terminology > The Ear > Flashcards

The Ear Flashcards

(67 cards)

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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

External ear

A

Outer structures of the ear that collect sound

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9
Q

Pinna

A

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

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10
Q

External auditory meatus or canal

A

External passage for sounds collected from the pinna to the tympanum

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11
Q

Cerumen

A

A waxy substance secreted by glands located throughout the external canal

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12
Q

Middle ear

A

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

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13
Q

Tympanic membrane

A

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

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14
Q

Malleus

A

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

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15
Q

Incus

A

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

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16
Q

Stapes

A

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

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17
Q

Eustachian tube, auditory tube

A

Tube connecting the middle ear to the pharynx (throat)

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18
Q

Oval window

A

Membrane that covers the opening between the middle ear and inner esr

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19
Q

Inner ear

A

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

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20
Q

Cochlea

A

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

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21
Q

Perilymph

A

Fluid that fills the body labyrinth of the inner ear

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22
Q

Endolymph

A

Fluid within within the membranous labyrinth of the inner ear

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23
Q

Organ of Corti

A

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

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24
Q

Vestibule

A

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

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25
Utricle
The larger of two sacs within the membranous labyrinth of the vestibule in the inner ear
26
Saccule
The smaller of two sacs within the membranous labyrinth of the vestibule in the inner ear
27
Semicircular canals
Three canals within the inner ear that contain specialized receptor cells that generate nerve impulses with body movement
28
Otalgia, otodynia
Earache
29
Otorrhagia
Bleeding from the ear
30
Otorrhea
Purulent drainage from the ear
31
Tinnitus
A jingling; a ringing or buzzing in the ear
32
Vertigo
A turning round; dizziness
33
Otitis external
Inflammation of the external auditory meatus
34
Cerumen impaction
Excessive buildup of wax in the ear that often reduces hearing activity, especially in elderly persons
35
Myringitis, tympanitis
Inflammation of the eardrum
36
Otitis media
Inflammation of the middle ear
37
Aerotitis media
Inflammation of the middle ear for changes in atmospheric pressure; often occurs with frequent air travel
38
Eustachian obstruction
Blockage of the Eustachian tube, usually as a result of infection, as in otitis media
39
Otosclerosis
Hardening of the bony tissue in the ear
40
Acoustic neuroma
Benign tumor on the auditory nerve (8th cranial nerve) that causes vertigo, tinnitus, and hearing loss
41
Labyrinthitis
Inflammation of the labyrinth (inner ear)
42
Meniere disease
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
43
Deafness
General term for partial or complete loss of hearinf
44
Conductive hearing loss
Hearing impairment caused by interference with sound or vibratory energy in the external canal, middle ear, or ossicles
45
Sensorineural hearing loss
Hearing impairment caused by lesions or dysfunction of the cochlea or auditory nerve
46
Mixed hearing loss
Combination of sensorineural and conductive hearing loss
47
Presbyacusis, presbycusis
Hearing impairment in old abe
48
Audiometry
Process of measuring hearing
49
Audiometer
Instrument to measure hearing
50
Audiogram
Record of hearing measurement
51
Audiologist
Health professional who specializes in the study of hearing impairments
52
Auditory acuity testing
Physical assessment of hearing; useful in differentiating between conductive and sensorineural hearing loss
53
Tuning fork
A two pronged fork like instrument that vibrates when struck; used to test hearing, especially bone conduction
54
Brainstem auditory evoked potential (BAEP), brainstem auditory evoked response (BAER)
Electrodiagnostic testing that used computerized equipment to measure involuntary responses to sound within the auditory nervous system; commonly used to assess hearing in newborns
55
Otoscopy
Use of an otoscope to examine the external auditory canal and tympanic membrane
56
Pneumatic otoscopy
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
57
Tympanometry
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
58
Microsurgery
Surgery with the use of a microscope used in delicate tissue, such as the ear
59
Myringotomy, tympanostomy
Incision into the eardrum, most often for insertion of a small polyethylene tube to keep the canal open and prevent fluid buildup, such as occurs in otitis media
60
Otoplasty
Surgical repair of the external ear
61
Stapedectomy
Excision of the stapes to correct otosclerosis
62
Tympanoplasty
Vein graft of a scarred tympanic membrane to improve sound conduction
63
Auditory prosthesis
Any internal or external device that improves or substitutes for natural hearing
64
Hearing aid
An external amplifying device designed to improve hearing by more effective collection of sound into the ear
65
Cochlear implant
An electronic device implanted in the cochlea that provides sound perception to pts with severe or profound sensorineural hearing loss in both ears
66
Ear lavage
Irrigation of the external ear canal, often to remove excessive buildup of the cerumen
67
Ear instillation
Introduction of a medicated solution i to the external canal, usually administered by gt or gtt in the affected ears

Medical Terminology (15 decks)

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