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Medical Terminology > Module 5: Ch. 15 > Flashcards

Module 5: Ch. 15 Flashcards

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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
chol/e
gall or bile
25
auricle (pinna)
collects and directs sound waves into the auditory canal and then into the tympanic membrane
26
external ear
the appendage on the side of the head consisting of the auricle or pinna and the external acoustic meatus
27
acoustic
acoust -ic hearing = pertaining to pertaining to the sense of hearing
28
audiologist
one who specializes in diagnosing disorders of hearing
29
audiology
study of hearing disorders
30
audiometer
medical instrument used to measure hearing
31
audiometry
measurement of the hearing sense
32
auditory
pertaining to the sense of hearing
33
aural
pertaining to the ear
34
auricle
aur/i -cle ear = small external portion of ear, known as the pinna
35
cerumen
earwax, the yellowish substance secreted by the glands in the auditory canal of the external ear
36
cochlea
portion of the inner ear shaped like a snail shell; contains the organ of Corti
37
deafness
complete or partial loss of the ability to hear
38
ear
contains structures for both the sense of hearing and the sense of balance
39
endaural
end- aur -al within = ear = pertaining to pertaining to within the ear
40
equilibrium
state of balance
41
eustachian tube
narrow tube between the middle ear and the throat that serves to equalize pressure on both sides of the eardrum
42
incus
middle of the three ossicles; also called the anvil
43
labyrinth
the inner ear; made up of the vestibule, cochlea, and semicircular canals
44
malleus
largest of the three ossicles; also called the hammer
45
monaural
pertaining to one ear
46
myringectomy
surgical excision of the tympanic membrane
47
myringoplasty
surgical repair of the tympanic membrane
48
myringotome
surgical instrument used for cutting the eardrum
49
ossicle
small bone; any one of the three bones of the middle ear; the malleus, the incus, or the stapes
50
otic
ot -ic ear = pertaining to pertaining to the ear
51
otitis
inflammation of the ear
52
otitis media
inflammation of the middle ear
53
otodynia
pain in the ear, earache; also referred to as otalgia
54
otolaryngologist
physician who specializes in the study of the ear and larynx (voice box)
55
otolaryngology
study of the ear and larynx
56
otolith
ot/o -lith ear = stone ear stone
57
otomycosis
ot/o myc -osis ear = fungus = condition fungal infection of the ear
58
otoplasty
plastic surgical repair of the ear
59
otosclerosis
hardening (stiffening) condition of the ear structures characterized by progressive deafness
60
oval window
membrane in the middle ear into which the footplate of the stapes fits
61
perilymph
peri- -lymph around = serum, pale fluid serum fluid of the inner ear
62
presbycusis
presby -cusis old = hearing impairment of hearing that occurs with aging
63
stapes
innermost of the ossicles in the middle ear; also called the stirrup
64
tinnitus
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
tympanic
pertaining to the eardrum (tympanic membrane)
66
utricle
small, saclike structure of the labyrinth of the inner ear
67
vertigo
sensation of instability and loss of equilibrium; patients feel like they are spinning in space or objects around them are spinning
68
AC
air conduction
69
BC
bone conduction
70
db, dB
decibel
71
ENT
ear, nose, throat (otorhinolaryngology)
72
HD
hearing distance
73
OM
otitis media

Medical Terminology (17 decks)

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