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white of eye


the clear tissue that covers the front of the eye


innermost layer of eye that perceives and transmits light to the optic nerve


mucous membrane lining the eyelids and covering the anterior portion of the sclera


a ring of muscle tissue that forms the colored portion of the eye around the pupil and controls the size of the pupil opening


transparent structure behind the pupil that bends and focuses light rays on the retina

optic nerve

the nerve that carries neural impulses from the eye to the brain


ear wax

eustachian tube

A narrow tube between the middle ear and the throat that serves to equalize pressure on both sides of the eardrum


a coiled, bony, fluid-filled tube in the inner ear through which sound waves trigger nerve impulses


three tiny bones in the middle ear

aqueous humor

watery liquid found in the anterior cavity of the eye

vitreous humor

the clear colorless transparent jelly that fills the posterior chamber of the eyeball

tympanic membrane

The eardrum. A structure that separates the outer ear from the middle ear and vibrates in response to sound waves.

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