Medical Terminology Ch11

Front 1

acous/o
audi/o

Back 1

hearing

Front 2

aer/o

Back 2

air or gas

Front 3

aur/i
ot/o

Back 3

ear

Front 4

cerumin/o

Back 4

wax

Front 5

salping/o

Back 5

eustachian tube or uterine tube

Front 6

tympan/o
myring/o

Back 6

eardrum

Front 7

-acusis

Back 7

hearing condition

Front 8

pinna

Back 8

external ear:
auricle (little ear); projected part of the external ear
(pinna=feather)

Front 9

external auditory canal

Back 9

external ear:
external passage for sounds collected from the pinna to the tympanum

Front 10

cerumen

Back 10

external ear:
waxy substance secreted by glands located throughtout the external canal

Front 11

tympanic membrane (TM)

Back 11

middle ear:
eardrum; drumlike structure that reveives sound collected in the external auditory canal and amplifies it through the middle ear

Front 12

malleus

Back 12

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

Front 13

incus

Back 13

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

Front 14

stapes

Back 14

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

Front 15

eustachian tube
auditory tube

Back 15

middle ear:
tube connecting the middle ear to the pharynx (throat)

Front 16

oval window

Back 16

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

Front 17

labyrinth

Back 17

inner ear:
maze; inner ear consisting of bony and membranous passages

Front 18

cochlea

Back 18

inner ear:
coiled tubular structure of the inner ear that contains the organ of corti
(cochlea=snail)

Front 19

perilymph

Back 19

inner ear:
fluid that fills the bony labyrinth of the inner ear

Front 20

endolymph

Back 20

inner ear:
fluid within the cochlear duct of the inner ear

Front 21

organ of corti

Back 21

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

Front 22

vestibule

Back 22

inner ear:
middle part of the inner ear in front of the semilunar canals and behind the cochlea that contains the utricle and the saccule

Front 23

utricle

Back 23

inner ear:
larger of two sacs within the membranous labyrinth of the vestibule in the inner ear (uter = leather bag)

Front 24

saccule

Back 24

inner ear:
smaller of two sacs within the membranous labyrinth of the vestiblue in the inner ear
(sacculus = small bag)

Front 25

semicircular canals

Back 25

inner ear:
three canals within the inner ear that contain specialized receptor ce-lls that generate nerve impulses with body movement

Front 26

anacusis

Back 26

total hearing loss

Front 27

otalgia
otodynia

Back 27

earache

Front 28

otorrhagia

Back 28

bleeding from the ear

Front 29

otorrhea

Back 29

purulent drainage from the ear

Front 30

paracusis

Back 30

impaired hearing

Front 31

tinnitus

Back 31

a jingling; ringing or buzzing in the ear

Front 32

vertigo

Back 32

a turning round; dizziness

Front 33

otitis externa

Back 33

inflammation of the external auditiory canal

Front 34

cerumen impaction

Back 34

excessive buildup of wax in ear, often reducing hearing acuity, especially in elderly persona

Front 35

myringitis
tympanitis

Back 35

inflammation of the eardrum

Front 36

otitis media

Back 36

inflammation of the middle ear

Front 37

aerotitis media

Back 37

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

Front 38

eustachian obstruction

Back 38

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

Front 39

labyrinthitis

Back 39

inflammation of the labyrinth
(inner ear)

Front 40

otosclerosis

Back 40

hardening of the bony tissue in the ear

Front 41

deafness

Back 41

general term for partial or complete hearing loss

Front 42

conductive hearing loss

Back 42

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

Front 43

sensorineural hearing loss

Back 43

hearing impairment caused by lesiosn or dysfunctionn of the cochlea or auditory nerve

Front 44

presbyacusis
presbycusis

Back 44

hearing impairment in old age

Front 45

audiometry

Back 45

process of measuring hearing

Front 46

audiologist

Back 46

health professional who specialized in the study of hearing impairments

Front 47

auditory acuity testing

Back 47

physical assessment of hearing
differentiating between conductive and sensorineural hearing loss

Front 48

tuning fork

Back 48

two pronged forklike instrument, used to test hearing, 'specialy bone conduction

Front 49

otoscopy

Back 49

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

Front 50

tympanometry

Back 50

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

Front 51

microsurgery

Back 51

surgery with the use of a microscope

Front 52

myringotomy

Back 52

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

Front 53

otoplasty

Back 53

surgical repair of the external ear

Front 54

stapedectomy

Back 54

excision of the stapes to correct otosclerosis

Front 55

tympanoplasty

Back 55

vein graft of a scarred tympanic membrane to improve sound conduction

Front 56

ear lavage

Back 56

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

Front 57

ear instillation

Back 57

introduction of a medicaled solution into the exteral canal, usually administered by drop (gt) or drops (gtt) in the affected ear

AD right ear
AS left ear
AU both ears