Eye And Ear

Front 1

aqueous humor

Back 1

fluid produced by the ciliary body and found in the anterior chamber.

Front 2

bi convex

Back 2

having two sides that are rounded, elevated, and curved evenly, like part of a sphere. The lens of the eye is biconvex body.

Front 3

choroid

Back 3

middle, vascular layer of the eye, between the retina and the sclera

Front 4

ciliary body

Back 4

sturcture on each side of the lens that connects the choroid and iris. It contains ciliary muscles, which control the shape of the lens, and it secretes aqueous humor

Front 5

cone

Back 5

photoreceptor cell in the retina that transforms light energy into a nerve impulse. Cones are responsible for colour and central vision.

Front 6

conjuctiva

Back 6

fibrous transparent layer of clear tissue that extends over the anterior portion of the eyeball. derived from the latin corneus, meaning horny, perhaps because as it protrudes outward, it was thought to resemble a horn.

Front 7

fovea centralis

Back 7

tiny pit or depression in the retina that is the region of clearest vision.

Front 8

fundus of the eye

Back 8

posterior, inner part of the eye

Front 9

iris

Back 9

coloured pigmented membrane surrounding the pupil of the eye.

Front 10

lens

Back 10

transparents, biconvex body behind the pupil of the eye. it bends (refracts) light rays to bring them into focus on the retina.

Front 11

macula

Back 11

yellowish region on the retina lateral to and slightly below the optic disc; contains the fovea contralis, which is the area of the clearest vision

Front 12

optic chiasm

Back 12

point at which optic nerve fivers cross in the brain (chiasm) means crossing

Front 13

optic disc

Back 13

region at the back of the eye where the optic nerve meets the retina. it is the blind spot of the eye because it contains only nerve fibers, no rods or cones, and is thus insensitive to light

Front 14

optic nerve

Back 14

cranial nerve carrying impulses from the retina to the brain (cerebral cortex)

Front 15

pupil

Back 15

dark opening of the ye, surrounded by the iris, through which light rays pass.

Front 16

refraction

Back 16

bending of light rays by the cornea, lens, and fluids of the eye to bring the rays into focus on the reina. Refract means to break (-fract) back (re-).

Front 17

retina

Back 17

light-sensitive nerve cell layer of the eye containing photoreceptor and for peripheral vision.

Front 18

sclera

Back 18

tough, white outter coat of the eyeball

Front 19

thalamus

Back 19

relay center of the brain. optic nerve fibers pass through the thalamus on their way to the cerebral cortex.

Front 20

vitreous humor

Back 20

soft, jelly-like material behind the lens in the vitreous chamber; helps maintain the shape of the eyeball.

Front 21

aque/o

Back 21

water

Front 22

blephar/o

Back 22

eyelid

Front 23

conjuctiv/o

Back 23

conjunctiva

Front 24

corne/o

Back 24

cornea

Front 25

cycl/o

Back 25

ciliary body or muscle of the eye

Front 26

dacry/o

Back 26

tears, dear duct

Front 27

ir/o or irid/o

Back 27

iris

Front 28

kerat/o

Back 28

cornea

Front 29

lacrim/o

Back 29

tears

Front 30

ocul/o opthalm/o

Back 30

eye

Front 31

opt/o, optic/o

Back 31

eye, vision

Front 32

palpebr/o

Back 32

eyelid

Front 33

papill/o

Back 33

optic disc; nipple-like

Front 34

phac/o, phak/o

Back 34

lens of the eye

Front 35

pupill/o

Back 35

pupil

Front 36

retin/o

Back 36

retina

Front 37

scler/o

Back 37

sclera (white of the eye)

Front 38

uve/o

Back 38

uvea; vascular later of the eye

Front 39

vire/o

Back 39

glassy

Front 40

ambly/o

Back 40

dull, dim

Front 41

dipl/o

Back 41

double

Front 42

glauc/o

Back 42

gray

Front 43

mi/o

Back 43

smaller, lens

Front 44

mydr/o

Back 44

widen, enlarge

Front 45

nyct/o

Back 45

night

Front 46

phot/o

Back 46

light

Front 47

presby/o

Back 47

old age

Front 48

scot/o

Back 48

darkness

Front 49

xer/o

Back 49

dry

Front 50

-opia

Back 50

vision

Front 51

-opsia

Back 51

vision

Front 52

astigmatism

Back 52

defective curvature of the cornea or lens of the eye.

Front 53

hyperopia

Back 53

Farsightedness

Front 54

myopia

Back 54

Nearsightedness

Front 55

presbyopia

Back 55

impairment of vision as result of old age

Front 56

cataract

Back 56

clouding of the lens, causing decreased vision

Front 57

chalazion

Back 57

small, hard, cystic mass on the eyelid; formed as a result of chronic imflammation of a sebaceous gland along the margin of the eyelid

Front 58

diabetic retinopathy

Back 58

reginal effect of diabetes mellitis include microaneurysms, hemorrhages, dilation of retinal veins, and neovasularization.

Front 59

glaucoma

Back 59

increased intraocular pressure results in damage to the retina and optic nerve with loss of vision

Front 60

hordeolum (sty)

Back 60

localized, purulent, inflammatory staphylococcal infection of a sebaceous gland in the eyelid

Front 61

macular degeneration

Back 61

progressive damage to the macula of the retina

Front 62

retinal detachment

Back 62

two layers of the retina separate from each other

Front 63

strabismus

Back 63

abnormal deviation of the eye

Front 64

opthalmoscopy

Back 64

visual examination of the interior of the eye

Front 65

visual activity test

Back 65

clarity of vision is assessed

Front 66

visual field test

Back 66

measures the area within which objsects are seen when the eyes are fixed, looking straight ahead without movement of the head.

Front 67

enucleation

Back 67

removal of the entire eyeball

Front 68

LASIX

Back 68

use of an excimer laser to correct errors of refraction (myopia, hyperopia, and astigmatism)

Front 69

scleral buckle

Back 69

suture of a silicone band to the sclera over a detached portion of the retina

Front 70

vitrectomy

Back 70

removal of the vitreous humor.

Front 71

HEENT

Back 71

head, eyes, ears, nose, and throat

Front 72

OD

Back 72

right eye

Front 73

OS

Back 73

left eye

Front 74

OU

Back 74

both eyes

Front 75

PERRLA

Back 75

pupils equal, round, reactive to light and accomodation

Front 76

VA

Back 76

visual activity

Front 77

VF

Back 77

visual field

Front 78

auditory canal

Back 78

channel that leads form the pinna to the earfrum

Front 79

auditory meatus

Back 79

auditory canal

Front 80

auditory nerve fibers

Back 80

carry impulses from the inner ear to the brain (cerebral cortex)

Front 81

auditory tube

Back 81

channel between the middle ear and the nasopharnyx; eustachian tube

Front 82

auricle

Back 82

flap of the ear; the protruding part of the external ear

Front 83

cerumen

Back 83

waxy substance secreted by the external ear; also called EAR WAX !!!

Front 84

cochlea

Back 84

snail-shaped, spirally wound tube in the innter ear; contains hearing-sensitve receptor cels.

Front 85

endolymph

Back 85

fluid within the labyrinth of the inner ear

Front 86

eustachian tube

Back 86

auditory tube

Front 87

incus

Back 87

second ossicle (bone) of the middle ear; incus means anvil

Front 88

labyrinth

Back 88

maze-like series of canals of the innter ear. this includes the cocholea, vestibule, and semicircular canals.

Front 89

malleus

Back 89

first ossicle of the middle ear; malleus means hammer

Front 90

organ of Corti

Back 90

sensitve auditory receptor area found in the cocholea of the inner ear

Front 91

ossicle

Back 91

small bond of the ear; includes the malleus, incus, and stapes

Front 92

oval window

Back 92

membrane between the middle ear and the inner ear

Front 93

perilymph

Back 93

fluid contained in the labyrinth of the inner ear

Front 94

pinna

Back 94

auricle; flap of the ear

Front 95

semicircular canals

Back 95

passages in the inner ear associated with maintaining equilibrium

Front 96

stapes

Back 96

third ossicle of the middle ear. stapes means stirrup

Front 97

tympanic membrane

Back 97

membrane between the outer and the middle ear; also called the eardrum

Front 98

vestibule

Back 98

central cavity of the labyrinth, connectiving the semicircular canals and the cochlea. the vestibule contains two structures, the saccule and utricle, that helps to maintain equilibrium.

Front 99

acous/o

Back 99

hearing

Front 100

audi/o

Back 100

hearing; the sense of hearing

Front 101

audit/o

Back 101

hearing

Front 102

aur/o, auricul/o

Back 102

ear

Front 103

cochle/o

Back 103

cochlea

Front 104

mastoid/o

Back 104

mastiod process

Front 105

myring/o

Back 105

eardrum, tympatic membrane

Front 106

ossicul/o

Back 106

ossicle

Front 107

ot/o

Back 107

ear

Front 108

salping/o

Back 108

eustachian tube, auditory tube

Front 109

staped/o

Back 109

stapes (3rd bone of middle ear)

Front 110

tympan/o

Back 110

eardrum, tympanic membrane

Front 111

vestibul/o

Back 111

vestibule

Front 112

-acusis or -cusis

Back 112

hearing

Front 113

-meter

Back 113

instrument to measure

Front 114

nerve deafness

Back 114

results from impairment of the cochlea or auditory nerve

Front 115

conductive deafness

Back 115

results from impairment of the middle ear ossicles and membrane transmitting sound waves into the cochlea

Front 116

meniere disease

Back 116

disorder of the labyrinth of the inner ear; elevated endolymph pressure within the cochlea and semicircular canals

Front 117

otitis media

Back 117

imflammation of the middle ear

Front 118

otosclerosis

Back 118

hardening of the bony tissue of the middle ear

Front 119

tinnitus

Back 119

sensation of noises (ringing, buzzing, whistling, booming) in the ear.

Front 120

vertigo

Back 120

sensation or irregular or whirling motion either of oneself or of external objects

Front 121

audiometry

Back 121

testing the sense of hearing

Front 122

cochlear implant

Back 122

surgically implanted devise allowing sensorineural hearing-impaired persons to understand speech

Front 123

ear thermometry

Back 123

measurment of the temperature of the tympanic membrane by detechtion or infrared radiation from the eardrum.

Front 124

otoscopy

Back 124

visual examination of the ar with an otoscope

Front 125

tuning fork test

Back 125

test of ear conduction using a vibration source

Front 126

AD

Back 126

right ear

Front 127

AOM

Back 127

acute otitis media

Front 128

AS

Back 128

left ear

Front 129

SOM

Back 129

serous otitis media

Front 130

PE tube

Back 130

pressure-equalizing tube