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Chapter 17
A& P Chapter 17
| Question | Answer |
|---|---|
| Fibrous layer of clear tisue that extends over the anterior portion of the eye and is continuous with the white of the eye | cornea |
| Yellowish region in the retina; contain the fovea centralis | Macula lutea |
| What eye structure is transparent, biconvex, and focuses light on the retina | Lens |
| Place where optic nerve fibers cross in the brain | Optic chiasma |
| adjustment of the lens by the ciliary body | accommodation |
| photosensitive receptor cells of the retina; make the perception of color possible | cones |
| the combining form for cornea is | kerat/o |
| the combining form for the ciliary body is | cycl/o |
| the meaning of palpebr/o is | eyelid |
| an eye inflammation commonly called "pinkeye" is | conjunctivitis |
| impairment of vision due to old age | presbyopia |
| myopia | nearsightedness |
| astigmatism | defective curature of the cornea or lens |
| glaucoma is primarily diagnosed by | tonometry |
| a blind spot; area of depressed vision surrounded by an area of normal vision | scotoma |
| macular degeneration produces | loss of central vision |
| small hard mass on the eyelid; formed from a sebaceous gland enlargement | chalazion |
| snail-shpaed, spirally wound tube in the innner ear is the | cochlea |
| channel between the middle ear and the nasopharynx | eustachian tube (auditory) |
| myring/o | tymjpanic membrane |
| bacterial infection of the middle ear | suppurative otitis media |
| tinnitus | ringing sound in ears |
| visual examination of the ear | otoscopy |
| nerve deafness occurring with aging | presbycusis |
| fungal infection of the ear | otomycosis |
| contains sensitive cells (rods and cones) that transmit light energy to nervous impulses | retina |
| contains muscles that control the shape of the lens and secrete aqueous humor | ciliary body |
| transparent body behind the iris and in front of the vitreous humor; refracts light rays to bring them into focus on the retina | lens |
| jelly-like material behind the lens; helps to maintain the shape of the eyeball | vitreous humor |
| dark center of the eye through which light rays enter | pupil |
| vascular layer of the eyeball that is continuous with the iris | choroid |
| delicate membrane lining the eyelids and covering the anterior eyeball | conjunctiva |
| fibrous layer of clear tissue that extends over the anterior portion of the eyeball | cornea |
| colored portion of the eye; surround the pupil | iris |
| tough, white outer coat of the eyeball | sclera |
| region at the back of the eye where the retina meets the optic nerve is | optic disc |
| the normal adjustment of the lens to bring an object into focus is | accommodation |
| a yellowish region on the retina lateral to the optic disc is | macula |
| bending of light rays by the cornea, lens, and fluids of the eye is | refraction |
| photosensitive receptor cells in the retina that make color perception possible are | cones |
| photosensitive receptor cells that make vision in dim light possible are | rods |
| anisocoria | condition of pupils of unequal |
| anis/o | unequal |
| papilledema | swelling in the region of the optic disc |
| photophobia | condition of sensitivity to (fear of) light |
| scotoma | blind spot/area of darkened vision surrounded by clear vision |
| inflammation of an eyelid | blepharitis |
| inflammation of the cornea | keratitis |
| inflammation of the iris | iritis |
| inflammation of the conjunctiva | conjunctivitis |
| pertaining to within the eye; | intraocular |
| inflammation of the vascular layer of the eye | uveitis |
| condition of dry eyes | xerophthalmia |
| outward deviation of the eye | exotropia |
| inward deviation of the eye | esotropia |
| absence of the lens of the eye | aphakia |
| absence of vision in half of the visual field | hemianopsia |
| presbyopia | decreased vision at near resulting from old age |
| myopia | nearsightedness |
| diplopia | double vision |
| amblyopia | decreased (dim) vision; lazy eye |
| hyperopia | farsightedness |
| emmetropia | normal vision |
| abnormal deviations of the eye | strabismus |
| increased intraocular pressure results in retinal and optic nerve damage | glaucoma |
| localized purulent infection of a sebaceous gland in the eyelid | hordeolum (stye) |
| clouding of the lens causes decreased vision | cataract |
| retinal microaneurysms, hemorrhages occur secondary to an endocrine conditon | diabetic retinopathy |
| deterioration of the macula lutea of the retina | macular degeneration |
| OU | both eyes |
| od | right eye |
| os | left eye |
| perrla | pupils equal, round reactive to light & accommodation |
| c. gl. | with glasses |
| vf | visual field |
| s. gl. | with out glasses |
| organ of equalibrium in the in ear | semicircular canals |
| ear wax | cerumen |
| auditory fluid circulating in the inner ear | perilymph and endolymph |
| tympanic membrane | eardrum |
| removal of the third bone of the middle ear | stapedectomy |
| instrument to measure hearing | audiometer |
| deafness due to old age | presbycusis |
| inflammation of the middle ear | otitis media |
| surgical repair of the eardrum | tympanoplasty |
| sensation of irregular or whirling motion | vertigo |
| hardening of the bondy tissue of the middle ear | otosclerosis |
| sensation of noises in the ears | tinnitus |
| inflammation of the labyrinth | labyrinthitis |
| inflammation of the eardrum of the inner ear with pus formation | suppurative otitis media |
| inflammation of the middle ear | otitis media |
| inflammation of the mastoid process | mastoiditis |
| disorder of the labyrinth of the inner ear | meniere disease |
| benign tumor arising for the acoustic vestibulocochlear nerve in the brain | acoustic neuroma |
| collection of skins cells & cholesteral in a sac within the middle ear | cholesteatoma |
| as | left ear |
| eng | electronystagmography/test of balance |
| eent | eyes, ears, nose and throat |
| ad | right ear |
| ent | ears nose and throat |
| visual examination of the eye | ophthalmoscopy |
| white portion of the eye | sclera |
| fluid produced by the ciliary body; circulates through the anterior chamber of the eye | aqueous humor |
| pupils are of unequal size | anisocoria |
| delicate membrane lining the eyelids and covering the anterior eyeball | conjunctiva |
| inflammation of the cornea | keratitis |
| paralysis of the ciliary muscles of the eye | cycloplegia |
| double vision | diplopia |
| clouding of the lens, causing decreased vision | cataract |
| abnormal deviaiton of the eye (esotropia and exotropia) | strabismus |
| defective curvature of the cornea or lens of the eye | astigmatism |
| small, hard cystic mass on the eyelid | chalazion |
| impairment of vision due to old age | presbyopia |
| nearsightedness | myopia |
| inflammation of the iris | iritis |
| loss of vision in one half of the visual field | hemianopsia |
| swelling in the region of the optic disc | papilledema |
| process of recording blood vessels in the back of the eye after IV injection of a dye | fluorescein angiography |
| progressive damage to the yellowish region on the retina (lateral to and slightly below the optic disc) | macular degeneration |
| absence of the lens of the eye | aphakia |
| fluid contained in the inner part of the ear | perilymph |
| maze-like series of canals of the inner ear | labyrinth |
| the outer flap of the ear; auricle | pinna |
| channel between the middle ear and the nasopharynx | eustachian tube |
| waxy substance secreted by the external ear | cerumen |
| collection of skin cells and cholesterol in a sac within the middle ear | cholesteatoma |
| incision of the eardrum | myringotomy |
| hardening of bony tissue in the inner; ankylosis of the stapes may occur | otosclerosis |
| passages in the inner ear that are associated with maintaining equilibrium | semicircular canals |
| specialist in the study of the ear and voice box | otolaryngologist |
| sensationof noises (ringing, buzzing, whistling) in the ears | tinnitus |
| sensationof irregular or whirling motion either of oneself or of external objects | vertigo |
| surgical repair of a small bone in the middl eear | ossiculoplasty |
| instrument to measure hearing | audiometer |
| fungal infection of the ear | otomycosis |
| channel leading from the outer ear flap to the eardrum | auditory meatus |
| benign tumor arising from the 8th cranial nerve in the brain | acoustic neuroma |
| a snail-shaped, spirally wound tube in the inner ear; contains hearing-sensitive cells | cochlea |
| surgical repair of the eardrum | tympanoplasty |
| inflammation of the middle ear with pus formation | suppurative otitis media |
| unequal size of pupils | anisocoria |
| substance filling space between the lens and cornea | aqueous humor |
| inflammation of the eyelid | blepharitis |
| clouding of the lens causing decreased vision | cataract |
| membrane lining the eyelids/ covering anterior eyeball | conjunctiva |
| tissue that extends over anterior portion of the eyeball | cornea |
| each side of lens that connects the choroid and iris | ciliary body |
| excessive flow of tears | dacryorrhea |
| increased intraocular pressure results in damage to the retina | glaucoma |
| medical doctor specialize in treating disorders of the eye | ophthalmologist |
| pertaining to sound | acoustic |
| outer flap of the ear | pinna |
| fungal ear condition | otomycosos |
| ringing in the ears | tinnitus |
| surgical repair of the eardrum | tympanoplasty |
| inision of the eardrum | myringotomy |
| waxy discharge from the ear | cerumen |
| dizziness | vertigo |
| hearing impairment due to old age | presbycussis |
| removal of a middle ear bone | stapedectomy |
| inner ear | labyrinth |
| wax found in the outer ear | cerumen |
| a snail-shaped, spirally wound tube in the inner ear | cochlea |
| clear tissue that covers the front portion of the eyeball | cornea |
| small hard mass on the eyelid | chalazion |
| clouding of the lens | cataract |
| the flap, or outside part of the ear | pinna |
| tube connecting the middle ear to the throat | eustachian tube |
| 3rd small bone in the middle ear | stapes |
| ringing sound in the ears | tinnitus |
| abnormal deviation of the eye caused by muscle weakness | strabismus |
| impairment of vision due to old age | presbyopia |
| surgical repair of the eardrum | tympanoplasty |
| paralysis of the eye | ophthalmoplegia |
| pertaining to the eustachian tube and the throat | salpingopharyngeal |
| loss of one half of the visual field | hemianopsia |
| inflammation of the vascular layer of the eye | uevitis |
| condition of the absence of the lens | aphakia |
| hardening of the bony tissue in the inner ear | otosclerosis |
| fluid produced by the ciliary body and found in the anterior chamber of the eye | aqueous humor |
| photorecepter cell in the retina; responsible for color and central vision | cone |
| middle, vascular layer of the eye, between the retina and the sclera | choroid |
| normal adjustment of the eye to focus on objects from far to near | accommodation |
| tiny pit or depression in the retina that is the region of clearest vision | fovea centralis |
| area behind the cornea and in fron of the lens and iris | anterior chamber |
| having two sides that are rounded, elevated, and curved evenly; charasteristic of the lens of the eye | biconvex |
| delicate membrane lining the eyelids and dovering the anterior eyeball | conjunctiva |
| fibrous transparent layer of clear tissue that extends over the anterior portionof the eyeball | cornea |
| structure on either side of the lens that connects the choroid and iris; it alters the shape of the lens | ciliary body |
| soft, jelly-like material behind the lens; maintains the shape of the eyeball | vitreous humor |
| color pigmented membrane surrounding the pupil of the eye | iris |
| light sensitive nerve cell layer containing photoreceptor cells (rods and cones) | retina |
| dark opening of the eys | pupil |
| yellowish region on the retina, slightly below the optic disc; contains the fovea centralis | macula |
| point at which optic nerve fibers cross in the brain | optic chiasm |
| bending of light rays be the cornea, lens and fluids of the eye to bring them into focus on the retina | refraction |
| region at the back of the eye where the optic nerve meets th retina | optic disc |
| cranial nerve carrying impulses from the retina to the brain (cerebral cortex) | optic nerve |
| transparent, biconvex body behind the pupil; it bends light rays to focus them on the retina | lens |
| posterior, inner portion of the eye | fundus of the eye |
| tough, white outer coat of the eyeball | sclera |
| relay center of the brain;optic nerve fibers pass through the thalamus on their way to the cerebral cortex | thalamus |
| carry impulses from iner ear to the brain (cerebral cortex) | auditory nerve fibers |
| second little bone of the middle ear; shaped like an anvil | incus |
| channel between the middle ear and the nasopharynx; audiotory tube | eustachian tube |
| first little bone of the middle ear; shaped like a hammer | malleus |
| fluid within the labyrinth of the ear | endolymph |
| maze like series of canals within the inner ear | labyrinth |
| channel that leads from the auricle to the eardrum; auditory meatus | auditory canal |
| third small bone of the middle ear, shaped like a stirrup | stapes |
| central cavity of the labyrinth, connecting the semicircular canals and the cochlea | vestibule |
| eardrum | tympanic membrane |
| membrane between the middle and inner ear | oval window |
| sensitive auditory receptive are in the cochlea of the inner ear | organ of corti |
| passages in the inner ear associated with maintenance of equilibrium | semicircular canals |
| small bone | ossicle |
| fluid contained in the labyrinth of the inner ear | perilymph |
| acous/o | hearing |
| ambyl/o | dims; dull |
| anis/o | unequal |
| aque/o | water |
| audit/o | hearing |
| aur/o | ear |
| belphar/o | eyelid |
| cochle/o | cochlea (inner part of ear) |
| conjunctiv/o | conjunctiva (lines the eyelids) |
| cor/o | pupil |
| corne/o | cornea |
| cycl/o | ciliary body of eye |
| dacry/o | tear |
| dipl/o | double |
| glauc/o | gray |
| ir/o | iris (color portion of eye) |
| kerat/o | cornea/ hard, horny tissue |
| lacrim/o | tear/ tear duct |
| mi/o | smaller /less |
| mydr/o | widen/enlarged |
| myring/o | tympanic membrane (ear drum) |
| nyct/o | night |
| ocul/o | eye |
| ophthalm/o | eye |
| opt/o | eye/vision |
| ossicul/o | ossicle (small bone) |
| ot/o | ear |
| palpebr/o | eyelid |
| papill/o | nipple like/ optic disk |
| phac/o | lens of eye |
| phot/o | light |
| presby/o | old age |
| pupill/o | pupil (dark center of eye) |
| retin/o | retina |
| salping/o | tube |
| scler/o | sclera (white of eye) |
| scot/o | darkness |
| staped/o | stapes (middle earbone) |
| tympan/o | eardrum (tympanic membrane) |
| uve/o | uvea / vascular layer of eye |
| vitre/o | glassy |
| xer/o | dry |
| -cusis | hearing |
| -opia | vision condition |
| -otia | ear condition |
| -meter | instrument to measure |
| -metry | process of measurement |
| -phobia | fear |
| -plegia | paralysis |
| -tropia | to turn |
| small bone | ossicle |
| normal adjustment of the lens by the ciliary muscle | accommodation |
| having two sides that are rounded, elevated, and curved evenly | biconvex |
| pertaining to the sense of smell | olfactory |
| nearsightedness | myopia |
| collection of skin cells and cholesterol in a sac within the middle ear | cholesteatoma |
| tough, white, outer coat of the eyeball | sclera |
| farsightedness | hyperopia |
| colored portion of the eye | iris |
| defective curvature of the cornea or lens of the eye | astigmatism |
| delicate membrane lining the eyelids and covering the exposed surface of the sclera | conjunctiva |
| maze-like series of canals in the inner ear | labyrinth |
| IOL | INTRAOCULAR LENS |
| AOM | ACUTE OTITIS MEDIA |
| ENG | ELECTRONYSTAGMOGRAPHY |
| VA | VISUAL ACTIVTY |
| IOP | INTRAOCULAR PRESSURE |
| ENT | EAR NOSE THROAT |
| PERRLA | PUPILS/EQUAL/ROUND |
| AMD | AGE RELATED MACULAR DEGENERATIONS |
| VF | VISUAL FIELD |
| PE TUBE | PRESSURE EQUALIZING TUBE |
Created by:
mstinkernet