Chapter 15 Sensory System: Eye and Ear Terminology

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51 Terms

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Cornea

The transparent front part of the eye covering the iris, pupil, and anterior chamber, playing a key role in focusing vision.

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Iris

The colored part of the eye, a smooth muscle that controls the diameter and size of the pupil.

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Pupil

The hole at the center of the eye that allows light to enter, its size is controlled by the iris.

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Retina

The innermost layer of the eye, containing photoreceptors and nerve cells for initial processing of visual stimuli.

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Sclera

The white, outer layer of the eyeball that extends from the cornea to the optic nerve at the back of the eye.

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Cochlea

A part of the inner ear involved in hearing; it converts sound waves into neural signals.

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Tympanic membrane

Also known as the eardrum, it vibrates in response to sound waves.

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Vestibule

A part of the inner ear that contributes to balance and spatial orientation.

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Lacrimal gland

A gland located beneath the lateral edges of the nose that produces tears.

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Otitis media

Inflammation or infection of the middle ear, common in children and often associated with upper respiratory infections.

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Otitis externa

Inflammation or infection of the outer ear canal, often referred to as 'swimmer's ear.'

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Audiology

The study of hearing.

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audi/o

Hearing.

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acous/o

Hearing.

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irid/o

Iris.

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phot/o

Light.

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is/o

Equal.

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pupill/o

Pupil.

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kerat/o

Cornea.

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retin/o

Retina.

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salping/o

Tube.

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audit/o

Hearing.

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aur/i or aur/o

Ear.

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blephar/o

Eyelid.

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cochle/o

Cochlea.

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conjunctiv/o

Conjunctiva.

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cor/o

Pupil.

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core/o

Pupil.

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corne/o

Cornea.

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cry/o

Cold.

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cyst/o

Bladder, sac, or cyst.

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dacry/o

Tear, tear duct.

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dipl/o

Two, double.

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ir/o

Iris.

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labyrinth/o

Labyrinth, inner ear.

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lacrim/o

Tear, tear duct.

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mastoid/o

Mastoid bone.

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myring/o

Tympanic membrane.

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ocul/o

Eye.

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ophthalm/o

Eye.

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opt/o

Vision.

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ossicul/o

Ossicle.

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ot/o

Ear.

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phac/o

Lens.

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phak/o

Lens.

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scler/o

Sclera.

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staped/o

Stapes, middle ear.

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ton/o

Tension, pressure.

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tympan/o

Middle ear, tympanic membrane.

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vestibul/o

Vestibule.

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xer/o

Dry.