Term | Definition |
auditory ossicles | 3 bones in middle ear anchor eardrum to tympanic cavity and transmit vibrabrations to inner ear |
auricle/pinna | funnel like structure leading from external ear to external auditory meatus |
choroid | thin posterior membrane in middle layer of eye |
ciliary body | thick anterior membrane in middle layer of eye |
cochlea | snail shaped structure in inner ear contains organ of corti |
cones | specialize receptor cells in retina that perceive color and bright light |
conjunctive | muscous membrane lining the eyelid |
cornea | transparent anterior section of eyeball that bends light in process called refraction |
decibel | measure of intensity of sound |
ear | organ of hearing |
eardrum | oval, semi transparent membrane moves in response to sound waves and produces vibration |
endolymph | fluid inside the membranous labyrinth |
equilibrium | sense of balance |
eustacian tube | tube that conncts the middle ear to pharynx |
eye | orgn of sight |
eyebrow | clump of hair above eye to keep foreign particles from entering the eye |
eyelashes | group of hairs on end of eyelid to keep foreign particles from entering the eye |
fovea centralis | epression in center of macula luta; percieves sharpest image |
eyelid | moveable covering over the ey |
hearing | ability to percieve sound |
incus | one of 3 auditory ossicles; the anvil |
iris | colored part of eye; contains muscle sthat expand and contract in response to light |
lacrimal glans | glands that secrete liquid to moisten the eyes and produce tears |
lens | colorless flexible transparent body behind the iris |
macula | inner ear structure containing hairlike sensors that move to maintain equilibrium |
macula lutea | small yellowish area located in center of retina which has depression |
malleus | one of 3 autitory ossicles; the hammer |
membranous labyrinth | 1/2 tubes that make up semicircular canls |
neuroretina | thick layer of nervous tissue in retina |
olfactory organs | organs at top of nasal vaity containing olfactory receptors |
optic nerve | nerve that transmits nerve impulses from eye to brain |
organ of corti | structure on basiliar membrane with hairlike receptors that reveive and transmit sounds waves |
osseus labrinth | 1/2 tubes that make up semicircular canals |
otoliths | small calcifications in inner ear that help maintain balance |
papillae | taste buds |
perilymph | liquid secred by walls of oseus labyrinth |
pupil | black center of eye; opens and closes in respsonse to light because of iris |
refraction | process of bending light rays |
reinta | oval light sensitive membrane in intertior layer of eye; decodes light waves and transmits information to brain |
rods | specialized receptor cells in retina that perceive black to white shades |
clera | thick tough membrane in outer eye layer; supports eyeball structure |
semicircular canals | structures in inner ear important for balance |
sensory receptors | specialized tisse containing cells that can receive stimuli |
sensory system | organs that perceive and receive stimuli from ouside or within body |
sight | ability to see |
smell | ability to perceive odors |
stapes | 1/3 auditory ossicles; stirrup |
taste | ability to perveice the QULAITIES OF INGEST MATTER |
taste budsuL | organs that sense taste of food |
taste cells | specializze receptor cells within taste buds |
tears | moisture secreted from lacrimal glands |
touh | ability to perceive sensation on skin |
tympanic membrane | eardrum |
uvea | region of eye containing the iris choroid membran and ciliary bodies |
vestibule | bon chamber between semicircular canla and cochlea |
audio; audito | hearing |
auro auriculo | hearing |
blepharo | eyelid |
cerumino | wax |
cochleo | cochlea |
conjuntivo | conjunctiva |
coro coreo | pupil |
corneo | cornea |
cyclo | ciliary body |
dacryo | tears |
iro irdio | iris |
kerato | cornea |
lacrimo | tears |
mastoid | mastoid process |
mmyringo | eardrum; middle ear |
naso | nose |
oculo | eye |
ophthalmo | eye |
opto optico | eye |
ossiculo | ossicle |
phaco phako | lens |
pupillo | pupil |
retino | retina |
sclero | white of eye |
scoto | darkness |
tympano | eardrum ; middle ear |
uveo | uvea |
acc | accomodation |
ad | right ear |
armd | age related macular degeneration |
as | left ear |
au | both ears |
ent | ear nose throat |
icce | intracapsular cataract cyroextraction |
iol | intraocular lens |
iop | intraocular pressure |
nva | near visual acuity |
d | diopter |
dB | decibel |
dva | distance visual acuity |
ecce | extracapsular cataract extraction |
eent | eye ear nose throat |
ou | each eye |
perrl perrla | pupils equal round reactive to light; accomoodation |
pe tube | polyethylene ventilating tube; in eardrum |
som | serous otitis media |
va | visual acuity |
od | right eye |
om | otitis media |
os | left eye |
vf | visual field |
+ | plus; convex |
- | minus; concave |
audiogram | graph that plots te acoustic frequencies being tested |
audiologist | specialist evaluating hearing ufunction |
audiometru | measurement of acoustic frequencies using an audiometer |
diopter | unit of refracting power of lens |
ophthalmologist | medical specialist ho diagnoses and treats eye disorders |
optician | technicial who makes and fits corrective lenses |
optometrist | nonmedical specialist who examines the eyes and prescribes lenses |
otologist | medical specilist in ear disorders |
otorhinolaryngologist | medical specialist who treats ear nose and throat disorders |
otoscopy | inspection of ear using otoscope |
tonometry | measurement of tension or pressure within eye |
aerotitis media | inflammation of middle ear caused by air pressure changes |
anacusis | loss of hering |
aphakia | absence of lens |
asthenopia | wakness of ocular or ciliary muscles that causes eyes to tire easily |
atigmatism | distortion of sight beause lack of focus of light rays at one point on retina |
blepharitis | inflammation of eyelid |
blepharochalasis | loss of elasticity of eyelid |
blpharospams | involuntary eyelid movement; excessive blinking |
blepharoptosis | drooping of eyelid |
blindess | loss of sight |
cataract | cloudiness of lens of eye |
chalazion | nodular inflammation that usually forms on eyelid |
cholesteatoma | fatty cyst within middle ear |
conjunctivitis | inflammation of conjunctiva of eyelid |
contact lenses | corrective lenses worn on surface of eye |
dacryoadenitis | inflamation of lacrimal glands |
dacryocystitis | inflammation of tear duct |
deafness | loss of hearing |
dermatochalasis | loss of elasticity of eyelid |
diplopia | double vision |
epiphora | wxcessive tearing |
esotropia | deviation of one eye inward |
exophthalmos | abnormal protrusion of eyeballs |
extropia | deviation of one eye outward |
eyestrain | asthenopia |
farsightedness | hyperopia |
glaucoma | caused by abnormally high eye pressure |
hordeolum | infection of sevaceous gland of eyelid; sty |
hyperopid | focusing behind the rtina causing vision distortion |
iritis | inflammation of iris |
keratitis | inflammation of cornea |
labyrinthitis | inflammation of labyrinth |
lacrimation | secretions of tears |
macular degeneration | gradual loss of vision caused by degeneration of tissue in macula |
mastoiditis | inflammation of mastoid process |
meniere's disease | elevated pressire within cochlea |
muopia | focusing in front of retina causing vision distortion ; nearsightedness |
myringitis | inflammation of eardrum |
nearsightedness | myopia |
nyctalopia | night blindness |
nystagmus | excessive involuntary eyeball movement |
otalgia | pain in ear |
otitis externa | fungal infection of external ear calnal |
otitis media | inflammation of middle ear |
otorrhagia | bleeding from ear |
otorrhea | purulent discharge from ear |
otosclerosis | hardening of bones of ear |
paracusis | imparied hearing |
blepharoplasty | surgical repair of eyelid |
cryoretinopexy | fixing of torn retina using extreme cold |
dacryocystectomy | removal of lacrimal sav |
enucleation | removal of eyeball |
iridectomy | removal of part of iris |
iridotomy | incision into iris to relieve pressure |
keratoplasty | corneal transplant |
myringotomy | insertion of small tube to help drain fluid from ears |
otoplasty | surgival repair of outer ear |
phacoemulsification | use of ultrasound to break up and remove cataracts |
stapedectomy | removal of stapes to cure otosclerosis |
trabeculectomy | removal of part of trabeculum to allow aqueous humor to lfow freely around eye |
tympanoplasty | reapir of eardrum |
antiseptic ear drops | to cleanse ear by dispelling earwax |
anti inflammatory ear drops | to reduce ear inflammation |
eye drops | to reduce eye congestion |
eye moisturizer | to moisten eyes |
miiotic | contraction of pupil |
mydriatic | dilation of pupil |
nasal decongestant | to reduce nasal congestion |
photophobia | extreme sensitivity of light |
pink eye | conjunctivities |
presbyacusis | age related hearing loss |
presbyopia | age related dimised ility to focus or accomodate |
pseudophakia | eye with an implanted lens after cataract surgery |
retinitis | inflammation of retina |
retinities pimentosa | progressive inherited disease with pifmented spot on retina and poor night vision |
scleritis | inflammtaion of sclera |
scotoma | blind spot in visino |
strabismus | eye misalignment |
sty | hordeolum |
tinnitus | constant ringing or buzzing in ear |
trichiasis | abnormal growth of eyelashes in direction tht causes them to rub on eye |
tympanitis | inflammation of eardrum |
vertigo | dizziness |