MMTC MedTerm Ch10/11 Word Scramble
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Question | Answer |
pupil | black,circular opening in the center of the iris through which light passes as it enters the eye. |
sclera | tough fibrous, white outer coat extending from the cornea to the optic nerve. |
vitreous | jelly-like mass filling the inner chamber b/w the lens and retina that gives bulk to the eye. |
diplopia | double vision |
exopthalmus or exopthalmos | abnormal protrusion of one or both eyeballs |
lacrimation | secretion of tears |
nystagmus | involuntary, rapid, oscillating movement of the eyeball |
photophobia | extreme sensitivity to, and discomfort from, life |
scotoma | blind spot in vision |
astigmatism | distorted vision caused by an oblong or cylindrical curvature of the lens or cornea that prevents the light rays from coming to a single focus on the retina |
hyperopia | farsightedness; difficulty seeing close objects when light rays are focused on a point behind the retina |
myopia | nearsightedness; difficulty seeing distant objects when light rays are focused on a point in front of the retina |
presbyopia | impaired vision caused by old age or loss of accomodation |
pterygium | fibrous, wing-shaped growth of conjunctival tissue that extends onto the cornea, developing most commonly from prolonged exposure to ultraviolet light |
strabismus | a condition of eye misalignment caused by intraocular muscle imbalance |
enuclation | excision of the eyeball |
iridectomy | excision of a portion of an iris |
intraocular lens(IOL)implant | implantation of an artificial lens to replace a defective natural lens |
mydriatic | agent that causes dialation of the pupil; used for certain eye examinations |
miotic | agent that causes the pupil to contract |
air or gas | aer/o |
deafness | general term for partial or complete loss of hearing |
presbyacusis | hearing impairment in old age |
audiologist | health professional who specializes in the study of hearing impairments |
otoscopy | use of an otoscope to examine the external auditory canal and tympanic membrane |
myringotomy | 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 |
otoplasty | surgical repair of the external ear |
irrigation of the external ear canal, often to remove excessive buildup of cerumen | ear lavage |
myringitis | inflammation of an eardrum |
vertigo | a turning around; dizziness |
tinnitus | a jingling; ringing or buzzing in the ear |
otorrhea | purulent drainage from the ear |
otorrhagia | bleeding from the ear |
otalgia, otodynia | earache |
stapes | stirrup; last of the three auditory ossicles of the middle ear |
incus | anvil; middle of the three auditory ossicles of the middle ear |
malleus | hammer; first of the three auditory ossicles of the middle ear |
tympanic membrane | eardrum; drum-like structure that receives sound collected in the external auditory canal and amplifies it through the middle ear |
auricle | pinna(little ear) projected part of the middle ear |
external ear | outer structures of the ear that collect sound |
-acusis | hearing condition |
tympan/o, myring/o | eardrum |
salping/o | eustachian tube, or uterine tube |
cerumin/o | wax |
aur/i, ot/o | ear |
acusi/o, audi/o | hearing |
aque/o | water |
blephar/o | eyelid |
conjunctiv/o | conjunctiva |
cycl/o | circle, cilliary body |
corne/o, kerat/o | cornea |
ir/o irid/o | colored circle, iris |
lacrim/o dacry/o | tear |
ocul/o, opthalm/o, opt/o | eye |
phac/o, phak/o | lens, lentil |
phot/o | light |
presby/o | old age |
retin/o | retina |
scler/o | hard or sclera |
vitre/o | glassy |
-opia | condition of vision |
aqueous humor | watery liquid secreted by the ciliary processes that fills the anterior and posterior chambers of the eye and provides nourishment for the cornea, iris, and lens |
conjunctiva | mucous membrane that lines the eyelids and outer surface of the eyeball |
cornea | transparent, anterior part of the eyeball covering the iris, pupil, and anterior chamber that functions to refract (bend) light to focus a visual image |
eyelid | movable, protective fold that opens and closes, covering the eye |
fovea centralis | pinpoint depression in the center of the macula lutea that is the site of sharpest vision |
iris | colored circle; colored part of the eye located behind the cornea that contracts and dilates to regulate light passing through the pupil |
lacrimal ducts | tubes that carry tears to the lacrimal sac |
lens | transparent structure behind the pupil that bends and focuses light rays on the retina |
macula lutea | central region of the retina; responsible for central vision; yellow pigment provides its color |
nasolacrimal duct | passageway for tears from the lacrimal sac into the nose |
optic disk | exit site of retinal nerve fibers as well as entrance point for retinal arteries and exit point for retinal veins |
optic nerve | nerve responsible for carrying impulses for the sense of sight from the retina to the brain |
chalazion | chronic nodular inflammation of a meibomian gland, usually the result of a blocked duct; commonly presents as a swelling on the upper or lower eyelid |
cataract | opaque clouding of the lens causing decreased vision |
blepharptosis | drooping of the eyelid; usually caused by paralysis |
glaucoma | glaw-kō′mă (Fig. 10-6, D) group of diseases of the eye characterized by increased intraocular pressure that results in damage to the optic nerve, producing defects in vision |
hordeolum | sty; an acute infection of a sebaceous gland of the eyelid |
Created by:
evinsmc
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