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Medical Terminology > Module 5: Ch. 15 > Flashcards

Module 5: Ch. 15 Flashcards

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USMLE® Step 1 flashcards
0
Q

tympanic membrane (eardrum)

A

separates the external ear from the middle ear and is not actually part of the external ear

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1
Q

external acoustic meatus (auditory canal)

A

numerous glands line the canal and secrete cerumen (earwax) to lubricate and protect the ear

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2
Q

middle ear

A

separated from the external ear by the eardrum; it is an air-filled cavity (tympanic cavity) carved out of the temporal bone;

it contains the ossicles: malleus, incus, and stapes; has several openings and is lined with mucous membrane

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3
Q

cochle/o

A

land snail

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4
Q

electr/o

A

electricity

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5
Q

labyrinth/o

A

maze, inner ear

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6
Q

laryng/o

A

larynx, voice box

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7
Q

mast/o

A

mastoid process, breast-shaped

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8
Q

myring/o

A

eardrum, tympanic membrane

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9
Q

neur/o

A

nerve

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10
Q

inner ear

A

consists of a membranous labyrinth or maze-like network of canals located within a bony labyrinth

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11
Q

cochlea

A

located on the basilar membrane is the organ of Corti containing hair cell sensory receptors for the sense of hearing

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12
Q

vestibule

A

contains the utricle and saccule, membranous pouches containing perilymph

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13
Q

semicircular canals

A

contain nerve endings in the form of hair cells that note changes in the position of the head and reports such movement to the brain through fibers leading to the eighth cranial nerve

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14
Q

audi/o

A

to hear

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15
Q

aur/i

A

ear

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16
Q

ot/o

A

ear

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17
Q

pharyng/e

A

pharynx

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18
Q

presby/o

A

old

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19
Q

py/o

A

pus

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20
Q

scler/o

A

hardening

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21
Q

staped/o

A

stapes, stirrup

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22
Q

steat/o

A

fat

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23
Q

tympan/o

A

eardrum, tympanic membrane

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24
Q

chol/e

A

gall or bile

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25
Q

auricle (pinna)

A

collects and directs sound waves into the auditory canal and then into the tympanic membrane

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26
Q

external ear

A

the appendage on the side of the head consisting of the auricle or pinna and the external acoustic meatus

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27
Q

acoustic

A

acoust -ic
hearing = pertaining to

pertaining to the sense of hearing

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28
Q

audiologist

A

one who specializes in diagnosing disorders of hearing

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29
Q

audiology

A

study of hearing disorders

30
Q

audiometer

A

medical instrument used to measure hearing

31
Q

audiometry

A

measurement of the hearing sense

32
Q

auditory

A

pertaining to the sense of hearing

33
Q

aural

A

pertaining to the ear

34
Q

auricle

A

aur/i -cle
ear = small

external portion of ear, known as the pinna

35
Q

cerumen

A

earwax, the yellowish substance secreted by the glands in the auditory canal of the external ear

36
Q

cochlea

A

portion of the inner ear shaped like a snail shell; contains the organ of Corti

37
Q

deafness

A

complete or partial loss of the ability to hear

38
Q

ear

A

contains structures for both the sense of hearing and the sense of balance

39
Q

endaural

A

end- aur -al
within = ear = pertaining to

pertaining to within the ear

40
Q

equilibrium

A

state of balance

41
Q

eustachian tube

A

narrow tube between the middle ear and the throat that serves to equalize pressure on both sides of the eardrum

42
Q

incus

A

middle of the three ossicles; also called the anvil

43
Q

labyrinth

A

the inner ear; made up of the vestibule, cochlea, and semicircular canals

44
Q

malleus

A

largest of the three ossicles; also called the hammer

45
Q

monaural

A

pertaining to one ear

46
Q

myringectomy

A

surgical excision of the tympanic membrane

47
Q

myringoplasty

A

surgical repair of the tympanic membrane

48
Q

myringotome

A

surgical instrument used for cutting the eardrum

49
Q

ossicle

A

small bone; any one of the three bones of the middle ear; the malleus, the incus, or the stapes

50
Q

otic

A

ot -ic
ear = pertaining to

pertaining to the ear

51
Q

otitis

A

inflammation of the ear

52
Q

otitis media

A

inflammation of the middle ear

53
Q

otodynia

A

pain in the ear, earache; also referred to as otalgia

54
Q

otolaryngologist

A

physician who specializes in the study of the ear and larynx (voice box)

55
Q

otolaryngology

A

study of the ear and larynx

56
Q

otolith

A

ot/o -lith
ear = stone

ear stone

57
Q

otomycosis

A

ot/o myc -osis
ear = fungus = condition

fungal infection of the ear

58
Q

otoplasty

A

plastic surgical repair of the ear

59
Q

otosclerosis

A

hardening (stiffening) condition of the ear structures characterized by progressive deafness

60
Q

oval window

A

membrane in the middle ear into which the footplate of the stapes fits

61
Q

perilymph

A

peri- -lymph
around = serum, pale fluid

serum fluid of the inner ear

62
Q

presbycusis

A

presby -cusis
old = hearing

impairment of hearing that occurs with aging

63
Q

stapes

A

innermost of the ossicles in the middle ear; also called the stirrup

64
Q

tinnitus

A

the sensation of ringing or roaring sounds in one or both ears is a symptom associated with damage to the auditory cells in the inner ear

65
Q

tympanic

A

pertaining to the eardrum (tympanic membrane)

66
Q

utricle

A

small, saclike structure of the labyrinth of the inner ear

67
Q

vertigo

A

sensation of instability and loss of equilibrium; patients feel like they are spinning in space or objects around them are spinning

68
Q

AC

A

air conduction

69
Q

BC

A

bone conduction

70
Q

db, dB

A

decibel

71
Q

ENT

A

ear, nose, throat (otorhinolaryngology)

72
Q

HD

A

hearing distance

73
Q

OM

A

otitis media

Medical Terminology (17 decks)

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