Chapter 11 (Word Parts) Flashcards
opt/i, opt/o, optic/o, ophthalm/o
Eyes (vision): receptor organs for the sense of sight.
ir/i, ir/o, irid/o, irit/o
Iris: controls the amount of light entering the eye.
phac/o, phak/o
Lens of eye: focuses rays of light on the retina.
retin/o
Retina (net): coverts light images into electrical impulses & transmits them to the brain.
dacryocyst/o, lacrim/o
Lacrimal Apparatus: accessory structures of the eyes that produce, store and remove tears.
acous/o, acoust/o, audi/o, audit/o, ot/o
Ears (hearing): receptor organs for the sense of hearing; also help maintain balance.
pinn/i
Outer ear: transits sound waves to the middle ear.
myring/o, tympan/o
Middle ear (tympanic membrane, eardrum): transmits sound waves to the inner ear.
labyrinth/o
Inner ear: receives sound vibrations and transmits them to the brain.
blephar/o
eyelid
kerat/o
cornea, horny, hard
-opia
vision condition
-cusis
hearing
presby/o
old age
scler/o
white of eye, sclera, hard
