medical term ch. 14

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anacusis

Herbert has total deafness. the term for this is ____

acute glaucoma

a condition of sudden blockage of aqueous-humor outflow that causes a rapid increase in intraocular pressure

oculomycosis

abnormal condition of eye fungus

phacosclerosis

abnormal condition of hardening of the lens

myringomycosis

abnormal condition of tympanic-membrane

pertaining to hearing

acoustic

suspensory ligaments

attach the ciliary body and muscles to the lens

ciliary body

attached to the lens; includes several ciliary muscles

optic nerve

attached to the retina; transmits visual information to the brain

measurement of hearing

audiometry

mascular degeneration

blake has a condition that is causing central vision loss because of deterioration. this is known as ____

ciliary muscles

cause the lens to change shape when they contract or expand

lens

clear, firm, transparent disc in the middle layer that can change shape to allow vision at different distances

perilymph

cochlea vibrations cause a disturbance of this pale, transparent fluid, which in turn disturb hair cells on the organ of Corti, transmitting impulses to the auditory nerve

labyrinth

complex, mazelike anatomy of the inner ear

eustachian tube

connects the middle ear to the throat; allows air movement between the inner ear and outer atmosphere

conjunctiva schlemm's canal cornea

corne/o, kerat/o

lacrimotome

cutting instrument for a lacrimal gland

iridectome

cutting instrument for the iris

keratotomy

cutting into or incision of the cornea or keratinized tissue

irotomy

cutting into or incision of the iris

choroid

dark-blue middle layer that supplies blood to the entire eye

cataracts

david is a farmer who has developed cloudiness of the lens due to protein deposits as a result of aging and tobacco use. this is called ____

retinal detachment

dennis is experiencing vision loss in his left eye caused by a separation of the inner retinal layer from the outer layer. this is known as ___

pupil

dilates to allow more light to enter the eye; constricts to decrease the amount of light entering the eye

eyes, ears, nose, and throat

dr. strouse specializes in treating EENT disorders. Therefore, she treats disorders of the ____

blepharoptosis

drooping or prolapse of the eyelid

static equilibrium

feeling a sense of balance when at rest or not moving

otorrhea

flow or discharge from the ear

dacryopyorrhea

flow or discharge of pus in the tears

ophthalmorrhea

flow, or discharge, from the eye

aqueous humor

fluid in the anterior chamber that provides nourishment for the lens and cornea and bends light rays to focus them sharply onto the retina

tears

fluid to bathe, moisten, and lubricate the eye; serve a protective role by killing bacteria and washing away foreign debris

exotropia

form of strabismus in which one or both are turned outward

G, glc

glaucoma is abbreviated ______

eyeball

globe-shaped organ that consists of three layers

tympanosclerosis

hardening of the tympanic membrane

organ of corti

highly sensitive hearing structure lining the inner surface of the cochlea

presbycusis

hilda has hearing loss due to her advanced age. the term for this is ___

conjunctivitis

inflammation of the conjunctiva

retina

innermost layer of the eye containing two types of visual receptors

Meniere's disease

jack has _____, which is a chronic, noncontagious disorder of the labyrinth that leads to progressive hearing loss, vertigo, and tinnitus

vitreous humor

jellylike substance in the posterior chamber that gives shape to the eye and bands light rays to focus them sharply onto the retina

V, VA

joann is taking a test to measure her visual acuity. this type of test is abbreviated ___

astigmatism

kari wears corrective lenses because she has an abnormal curvature of the cornea that distorts her visual image. this is known as ______

hernia of the cornea

keratocele

CAT

lisa has cataracts in both eyes. this condition is abbreviated _____

cochlea

small-shaped structure of the inner ear lined with the organ of Corti and filled with perilymph; part of the vestibular system

optician

specialist in eyes

otoplasty

surgical repair of the ear

myringoplasty

surgical repair of the tympanic membrane

iris

surrounds the pupil and gives eyes their color

laser-assisted in-situ keratomileusis

the abbreviation LASIK stands for ____

astigmatism

the abbreviations Ast and AS

tympanic membrane

tympan/o, myring/o

semicircular canals

located behind the ossicles, the oval window, and the round window; contains perilymph and endolymph; part of the vestibular system

hordeolum or stye

louise has an infection of a sebaceous gland of the eyelid. this is ____

pinna

made of cartilage covered with skin; collects sound waves and channels them into the external auditory canal

tympanometry

measurement of the tympanic membrane

diabetic retinopathy

monty has been a diabetic for 20 years and is developing the signs of ___, which is vision loss due to his diabetes

neoplasia

new formation or growth

uveitis

nonspecific term for any intraocular inflammatory disorder that may affect the iris, ciliary body, choroid, or other parts of the eye

eye

oculo, ophthalm/o

presbycusis

old-age hearing

endolymph

pale, transparent fluid within the labyrinth that responds to changes in body position based on gravity

opthalmoplegia

paralysis of the eye

retro-ocular

pertaining to behind the eye

corneous

pertaining to the cornea

salpingopharyngeal

pertaining to the eustachian tube and pharynx

oculonasal

pertaining to the eye and nose

lacrimal

pertaining to the lacrimal glands

scleral

pertaining to the sclera

tympanic

pertaining to the tympanic membrane

intraocular

pertaining to within the eye

phacotoxic

poisonous to the lens

lacrimal glands

produce tears that flow over the eye's surface

diploid

resembling double

keratoid

resembling the cornea or keratinized tissue

ear

responsible for hearing, balance, and equilibrium

retina

retin/o

surgical fixation of the retina

retinopexy

ophthalmorrhexis

rupture of the eye

eustachian tube

salping/o

sclera

scler/o

vestibulocochlear nerve

sends nerve impulses to the brain

dynamic equilibrium

sense of balance when we are in motion

external auditory canal

slender tube that runs from the external ear to the middle ear

schlemm's canal

small opening for drainage of aqueous humor

accommodation

the process of rounding and flattening of the lens that enables focus in both near and far vision

conjunctiva

thin mucous membrane covering the outer surface of the eye that contains blood vessels and secretory glands

vestibular system

translates sound vibrations into nerve impulses; controls both static and dynamic equilibrium

cornea

transparent bulge of the sclera that allows light into the eye

ossicles

vibrations of the tympanic membrane cause these three tiny bones to move, which sends vibrations to the inner ear

cones

visual receptors in the retina that detect color and function in more brightly lit situations

rods

visual receptors in the retina that function in dim lighting to produce images in black and white

tympanic membrane

wall between the external and middle ear that is commonly known as the eardrum; vibrates in response to sound waves

cerumen

waxy substance in the external auditory canal that traps tiny foreign particles and prevents them from entering the deeper structures

pupils are equal round, reactive to light and accommodation

when dr. strouse charts PERRLA , it means ____

sclera

white, outermost layer that provides strength, structure, and shape to the eye


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