The Eyes And Ears

Front 1

Opt/I opt/o optic/o ophthalm/o

Back 1

Eyes

Front 2

Ir/I Ir/o irid/o irit/o

Back 2

Iris

Front 3

Phac/o phak/o

Back 3

Lens

Front 4

Retin/o

Back 4

Retina

Front 5

Dacryocyst/o lacrim/o

Back 5

Lacrimal apparatus

Front 6

Acous/o Acoust/o audi/o audit/o ot/o

Back 6

Ears

Front 7

Pinn/i

Back 7

Outer ear

Front 8

Myring/o tympan/o

Back 8

Middle ear

Front 9

Labyrinth/o

Back 9

Inner ear

Front 10

Belphar/o

Back 10

Eyelid

Front 11

-Cusis

Back 11

Hearing

Front 12

Irid/o

Back 12

Iris colored part of eye

Front 13

Kerat/o

Back 13

Horny hard cornea

Front 14

Myring/o

Back 14

Tympanic membrane eardrum

Front 15

Ophthalm/o

Back 15

Vision

Front 16

-Opia

Back 16

Vision condition

Front 17

Presby/o

Back 17

Old age

Front 18

Scler/o

Back 18

Sclera white of eye hard

Front 19

Trop/o

Back 19

Turn change

Front 20

adnexa of the eyes

Back 20

All structures outside the eyeball

Hint 20

The orbit of muscles eyelids eyelashes

Front 21

Adnexa

Back 21

Accessory adjoining part of an organ

Front 22

Orbit

Back 22

Eye socket

Front 23

Eye muscles

Back 23

Three pairs attached to each eye make a wide range of movements possible

Hint 23

Superior and inferior oblique muscles superior and inferior rectus muscle lateral and medial rectus muscles

Front 24

Binocular vision

Back 24

Makes normal perception possible occurs when the muscles of both eyes work together in coordination

Front 25

Eyelids eyebrows and eyelashes

Back 25

Help protect the eyeball from foreign matter excess light and injuries

Front 26

Canthus

Back 26

Is the angle where the upper and lower eyelids meet

Front 27

Cilia

Back 27

The small hairs that make up the eyebrows and eyelashes also present in the nose

Front 28

Tarsus

Back 28

Tarsal plate framework of upper and lower eyelids provides the necessary stiffness and shape

Front 29

Conjunctiva

Back 29

The mucous membrane that lines the underside each eyelid for protective covering over the exposed surface of the eyeball

Front 30

Lacrimal apparatus

Back 30

Tear apparatus produces stores and removes tears

Front 31

Lacrimation

Back 31

Secretion of tears

Front 32

Lacrimal glands

Back 32

Produce tears

Front 33

Lacrimal fluid

Back 33

Tears, maintain moisture on the anterior surface of the eyeball

Front 34

Lacrimal canal

Back 34

A duct recorder of each eye that collect tears and empty them into the lacrimal sac

Hint 34

Crying is an overflowing of tears from the lacrimal canal

Front 35

Lacrimal sac

Back 35

Tear sac an enlargement of the upper lacrimal canal

Front 36

Lacrimal duct

Back 36

Nasolacrimal duct is the passageway that drain excess tears into the nose

Front 37

Extraocular

Back 37

Outside of the eyeball

Front 38

Intraocular

Back 38

Within the eyeball

Front 39

Sclera

Back 39

White of the eye The outer layer of the walls of the eyeball maintains the shape of the eye and protects the delicate inner layers

Front 40

Choroid

Back 40

Choroid coat an opaque middle layer of the eyeball wall that contains blood vessels and provide the blood supply for the whole eye

Front 41

Retina

Back 41

The sensitive innermost layer that lines back segments of the eye transmits nerve impulses to the brain

Front 42

Anterior segment of the eye

Back 42

Makes up the front one-third of the eyeball

Front 43

Anterior chamber

Back 43

Located behind the cornea and in front of the iris

Front 44

Posterior chamber

Back 44

Located behind the iris and in front of the ligaments holding the lens in place

Hint 44

Different from posterior segment

Front 45

Aqueous humor

Back 45

Aqueous fluid fills both anterior and posterior chambers helps maintain its shape and nourishes structures

Front 46

Intraocular pressure IOP

Back 46

A measurement of the fluid pressure inside the eye

Front 47

Posterior segment of the eye

Back 47

Makes up the remaining two thirds of the eyeball and is lined with the retina

Front 48

Vitreous humor

Back 48

A soft clear jelly like mass that contains millions of fibers that help maintain the eye's shape

Front 49

Rods and cones

Back 49

Within the retina receive images that have passed through the lens of the eye rods receive black and white cones receive color

Front 50

Macula

Back 50

Macula lutea clearly defined light sensitive area in the center of the retina

Front 51

Fovea centralis

Back 51

A pit in the middle of the macula has a high concentration of cones therefore perceives color best

Front 52

Optic disk

Back 52

Blind spot a small region of the eye where the nerve endings of the retina center the optic nerve does not contain any rods or cones

Front 53

Optic nerve

Back 53

Transmit nerve impulses from the retina to the brain

Front 54

Uvea

Back 54

Pigmented layer of the eye

Front 55

Ciliary body

Back 55

A set of muscles and suspensory ligaments that adjust the thickness of the lens for focus of light rays on the retina by feeling it with aqueous humor

Front 56

Iris

Back 56

The colorful circular structure that surrounds the pupil controls the amount of light allowed to enter the eye

Front 57

Cornea

Back 57

Transparent outer surface of the eye covering the iris and pupil focuses light rays that enter the eye

Front 58

Pupil

Back 58

Permits light to enter the eye

Front 59

Lens

Back 59

A clear flexible structure that focuses images on the retina

Front 60

Accommodation

Back 60

A process where the eyes make adjustments for seeing objects at various distances

Front 61

Convergence

Back 61

Simultaneous inward movement of the eyes toward each other

Front 62

Emmetropia

Back 62

The normal relationship between the refractive power of the eye and the shape of the eye that enables light rays to focus correctly on the retina

Front 63

Emmetr

Back 63

Proper measure

Front 64

Refraction

Back 64

Refractive power the ability of the lens to bend light rays so they focus on the retina

Front 65

Visual acuity

Back 65

The ability to distinguish object details and shape and a distance

Front 66

Ptosis

Back 66

Drooping

Front 67

Hordeolum

Back 67

Sty pus filled pocket on the island

Front 68

Conjunctivitis

Back 68

Pink eye

Front 69

Xerophthalmia

Back 69

Dry eye

Front 70

Anis/o

Back 70

Unequal

Front 71

Glaucoma

Back 71

A group of diseases characterized by increased intraocular pressure that causes damage to the retinal and optic nerve fibers

Front 72

Muscular degeneration

Back 72

I gradually progressive condition in which the macula at the center of the retina is damaged resulting in lost central vision or not total blindness

Front 73

Strabismus

Back 73

A disorder in which the eyes point in different directions or are not aligned

Hint 73

Cross eyed

Front 74

Refractive disorder

Back 74

Focusing problem that occurs when the lens and the cornea do not bend light so that the retina can focus properly

Front 75

Pinna

Back 75

Auricle or the outer ear capture sound waves and transmit them into the external auditory canal

Front 76

External auditory canal

Back 76

Transmit sound waves to the tympanic membrane of the middle ear

Front 77

Tympanic membrane

Back 77

Eardrum

Front 78

Cerumen

Back 78

Earwax protects middle ear

Front 79

Middle ear

Back 79

Located between the outer ear and the inner ear transmit sound across the space between them

Front 80

Mastoid process

Back 80

Temporal bone containing hollow air space that surrounds the ear

Front 81

Mastoid process

Back 81

Temporal bone containing hollow air space that surrounds the ear

Front 82

Auditory ossicles

Back 82

Three small bones located within the middle ear transmit the sound waves from the eardrum to the inner ear by vibration

Front 83

Malleus

Back 83

Known as the hammer auditory ossicle

Front 84

Incus

Back 84

The anvil auditory ossicle

Front 85

Stapes

Back 85

Stirrup auditory ossicles

Front 86

Eustachian tubes

Back 86

Auditory tubes narrow tube that lead from the middle ear to the nasal cavity and throat

Front 87

Inner ear

Back 87

Contains sensory receptors for hearing and balance

Front 88

Labyrinth

Back 88

Structures of the inner ear

Front 89

Oval window

Back 89

Located under the base of the stapes take in vibrations

Front 90

Cochlea

Back 90

A snail shaped structure of the inner ear where sound vibrations are converted into nerve impulses

Front 91

Organ of Corti

Back 91

Receives the vibrations from the cochlear duct and relays them to the auditory nerve fibers

Front 92

Semicircular canals

Back 92

Contain the liquid endolymph insensitive hair like cells the bending of these hairstyles in response to movements of the head sets of impulses to help maintain balance

Front 93

Acoustic nerves

Back 93

Cranial nerves VIII transmit the balance information to the brain

Front 94

Air conduction

Back 94

The process by which sound waves into the ear through the penis then travel down the auditory canal until they strike the tympanic membrane

Front 95

Bone conduction

Back 95

Occurs of the eardrum vibrates and causes auditory ossicles to vibrate transmit sound waves to the middle ear to the oval window of the inner ear

Front 96

Sensorineural conduction

Back 96

Occurs when sound vibrations reach the inner ear and relay them to the auditory nerve for transmission to the brain

Front 97

Otalgia

Back 97

Earache

Front 98

Noise induced hearing loss

Back 98

A type of nerve deafness caused by repeated exposure to extremely loud noises or moderately loud noises that continue for long periods of time