Combining Forms
Pathology
Abbreviations
Vocabulary
Parts of the Eyes/Ears
100

Kerat/o

Cornea

100

Small hard granuloma on the eyelid.

chalazion

100

IOP

Intraocular Pressure

100

Transparent, biconvex body behind the pupil of the eye. 

Lens

100

Snail shell-shaped, spirally wound tube in the inner ear

Cochlea

200

Dacry/o

Tears, Tear duct

200

Small, white nodule due to infection of sebaceous gland.

hordeolum

200

AOM

Acute Otitis Media

200

Maze-like series of canals of the inner ear.

Labyrinth 
200

Tough, outer coat of the eyeball.

Sclera

300

Scler/o

Sclera

300

Repetitive rhythmic eye movements of one or both eyes.

nystagmus

300

PERRLA

Pupils Equal, Round and Reactive, and Accommodation

300

Channel that leads from the pinna to the eardrum.

Auditory Canal

300

Third Ossicle of the middle ear.

Stapes

400

Typan/o

Eardrum

400

Collection of skin cells and cholesterol in a sac within the middle ear.

cholesteatoma

400

OCT

Optical Coherence Tomography

400

Photoreceptor cell of the retina essential for vison in low light and for peripheral vison

Rod

400

Area behind the cornea and in front of the lens and iris.

Anterior Chamber

500

Staped/o

Stapes (third bone of the middle ear)
500

Sensation of noises in the ears without an external source.

tinnitus

500

ENG

Electronystagmoraphy - test of the balance mechanism of the inner ear by assessing eye movement.

500

Consisting of two surfaces that are rounded, elevated, and curved evenly, like parts of a sphere

Biconvex

500

Central Cavity of the labyrinth, connecting the semicircular canals and the cochlea.

Vestibule

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