test 3 Flashcards
blephar/o
eyelid
canth/o
corner of the eye
conductive hearing loss
failure in the vibration of the eardrum and/or movement of the ossicles
sensorineural hearing loss
failure to transmit neural signals from the cochlea to the brain
ectropion
lower eyelid loose and rolling outward
entropion
lower eyelid rolling inward
accommodation
the process by which the eye’s lens changes shape to focus near or far objects on the retina
refraction
bending of light
cataract
clouding of the lens of the eye
glaucoma
increased intraocular pressure
inner ear
contains cochlea, semicircular canals, and vestibular sacs
middle ear
the chamber between the eardurm and cochlea contains three tiny bones (hammer, anvil, and stirrup)
presbycusis
impaired vision as a result of aging
otorrhagia
bleeding from the ear
otopyorrhea
discharge of pus from the ear
anterior chamber of eye
between cornea and iris, contains aqueous humor
posterior segment of eye
contains vitreous humor
chalazion
a nodule or cyst, usually on the upper eyelid, caused by obstruction in a sebaceous gland
hordeolum
stye
keratin
hard protein material found in the epidermis, hair, and nails
melanin
a pigment that gives the skin its color
cicatrix
a scar left by a healed wound
keloid
overgrowth of scar tissue
heparin
anticoagulant