Ear and Eye.

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Presentation transcript:

Ear and Eye

External Ear Internal Ear Middle Ear External acoustic meatus (Auditory canal) Eustachian Tube Tympanum Pinna

Function of Some Ear Structures Eustachian tube (function is to equalize pressure on both sides of the tympanic membrane) Semi-circular canal (function is for balance) Cochlea (function is for hearing)

Vestibulocholear nerve Semicircular canals Chochlea

Sclera Cornea

Iris Pupil

Choroid layer Iris Pupil Sclera Cornea (clear area)

Posterior Cavity Anterior Cavity (not anterior chamber) (not posterior chamber) Lens

Ora Serrata Retina Lens Optic nerve Optic disc Fovea centralis (where light focuses)

Sclera Cornea Optic nerve

Sclera Retina Choroid layer Cornea Optic nerve Lens (fell out of place)

Eye Retina Sclera Choroid

Eye Retina Choroid Sclera

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