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14 terms

Sense organ anatomy

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sclera
white of eye
cornea
the clear tissue that covers the front of the eye
retina
innermost layer of eye that perceives and transmits light to the optic nerve
conjunctiva
mucous membrane lining the eyelids and covering the anterior portion of the sclera
iris
a ring of muscle tissue that forms the colored portion of the eye around the pupil and controls the size of the pupil opening
lens
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
cerumen
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
cochlea
a coiled, bony, fluid-filled tube in the inner ear through which sound waves trigger nerve impulses
ossicles
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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