Unit 6 The Ear

Front 1

auditory canal; auditory meatus

Back 1

channel that leads from the pinna to the eardrum (2)

Front 2

auditory nerve fibers

Back 2

carry impulses from the inner ear to the cerebral cortex

Front 3

vestibulocochlear nerve (cranial nerve VIII)

Back 3

nerve composed of auditory nerve fibers

Front 4

auditory tube; eustachian tube

Back 4

channel between middle ear and nasopharynx (2)

Front 5

auricle; pinna

Back 5

ear flap (2)

Front 6

cerumen

Back 6

waxy substance secreted by external ear

Front 7

cochlea

Back 7

snail-shaped, spirally wound tube in the inner ear; contains hearing-sensitive receptor cells

Front 8

endolymph

Back 8

fluid within the labyrinth of the inner ear

Front 9

incus

Back 9

second ossicle of the middle ear

Front 10

labyrinth (def and 3 parts)

Back 10

mazelike series of passages in inner ear: cochlea, vestibule, semicircular canals

Front 11

malleus

Back 11

first ossicle of middle ear

Front 12

organ of Corti

Back 12

sensitive auditory receptor area found in the cochlea of the inner ear

Front 13

ossicle (list 3)

Back 13

small bone of the middle ear - malleus, incus, stapes

Front 14

oval window

Back 14

membrane between the middle ear and inner ear

Front 15

perilymph

Back 15

fluid contained in the labyrinth of the inner ear

Front 16

semicircular canals

Back 16

passages in the inner ear associated with maintaining equilibrium

Front 17

stapes

Back 17

third ossicle of the middle ear

Front 18

tympanic membrane

Back 18

eardrum - membrane between outer and middle ear

Front 19

vestibule (connects which 2 structures, contains which 2 structures)

Back 19

central cavity of the labyrinth, connecting the semicircular canals and the cochlea, contains 2 structures: saccule, utricle

Front 20

¿Qué quiere decir la palabra espeso?

Back 20

Piensa en una vez un problema que tu tuviste. ¿Qué hiciste para resolverlo?

Front 21

acous/o; audit/o

Back 21

R. hearing (2)

Front 22

audi/o

Back 22

R. hearing, sense of hearing

Front 23

audiologist

Back 23

healthcare professional specializing in evaluation and treatment of hearing loss

Front 24

aur/o, auricul/o, ot/o

Back 24

R. ear (3)

Front 25

cochle/o

Back 25

R. snail like structure in inner ear

Front 26

mastoid/o

Back 26

R. process at end of temporal bone

Front 27

myring/o

Back 27

R. eardrum (not tympan/o)

Front 28

tympan/o

Back 28

R. eardrum

Front 29

ossicul/o

Back 29

R. ear bone

Front 30

otolaryngologist

Back 30

specialist in ear, nose, throat

Front 31

salping/o

Back 31

R. eustachian tubes

Front 32

staped/o

Back 32

R. stapes

Front 33

vestibul/o

Back 33

R. main chamber of inner ear

Front 34

-acusis/ -cusis

Back 34

S. hearing (2)

Front 35

-meter

Back 35

S. instrument to measure

Front 36

-otia

Back 36

S. ear condition

Front 37

tympanoplasty

Back 37

surgical reconstruction of the bones of the middle ear with reconnection of the eardrum to the oval window

Front 38

stapedectomy

Back 38

removal of ear bone and replacement by prosthetic to connect incus to oval window

Front 39

presbycusis

Back 39

nerve deafness wich occurs with the process of aging

Front 40

hyperacusis

Back 40

abnormally acute sensitivity to sounds

Front 41

macrotia

Back 41

abnormally large ears

Front 42

acoustic neuroma (3 effects)

Back 42

benign tumor arising from the vestibulocochlear nerve, causing tinnitis, vertigo, and decreased hearing

Front 43

cholesteatoma (1 result, 1 cause)

Back 43

collection of skin cells and cholesterol in a sac within the middle ear - produces foul smelling discharge, result from chronic otitis media

Front 44

nerve deafness, sensorineural hearing loss

Back 44

loss of hearing due to damage to cochlea or acoustic nerve.

Front 45

conductive deafness (1 treatment)

Back 45

loss of hearing resulting from impairment of the middle ear ossicles and membranes transmitting sound waves into the cochlea - treatable by hearing aid

Front 46

Meniere disease (6 symptoms)

Back 46

elevated endolymph pressure within the cochlea and semicircular canals - causes tinnitus, heightening sensitivity to loud sounds, hearing loss, headache, nausea, vertigo

Front 47

otitis media

Back 47

inflammation of the middle ear

Front 48

suppurative otitis media

Back 48

inflammation of middle ear with pus formation

Front 49

serous otitis media

Back 49

noninfectious inflammation of middle ear with accumulation of fluid, often caused by dysfunctional or obstructed auditory tube

Front 50

otosclerosis

Back 50

hardening of the bony tissue of the middle ear

Front 51

fenestrated

Back 51

opened

Front 52

tinnitus

Back 52

sensation of noises - ringing, buzzing, etc. in the ears

Front 53

vertigo

Back 53

sensation of irregular or whirling motion. affects equilibrium, and balance and may cause nausea. Caused by diseases of the labyrinth or ear nerve

Front 54

audiometry

Back 54

testing the sense of hearing

Front 55

audiometer

Back 55

electrical device that delivers acoustic stimuli of specific frequencies to determine a patients hearing loss for each frequency

Front 56

audiogram

Back 56

record of hearing test

Front 57

cochlear implant procedure

Back 57

surgical insertion of a device that alllows sensorineural hearing-impaired patients to understand speech.

Front 58

ear thermometry

Back 58

measurement of body temperature by measuring infrared radiation from tympanum

Front 59

otoscopy

Back 59

visual examination of the ear canal with an otoscope

Front 60

tuning fork test

Back 60

test of ear conduction using a vibration source.

Front 61

Rinne test

Back 61

examiner places the base of vibrating fork against the patients mastoid bone and in front of the auditory meatus

Front 62

Weber test

Back 62

tuning fork is placed on the center of the forehead - indicates asymmetrical hearing