Eye and Ear
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) Cilliary Body
Ora Serrata Cilliary Body Iris
Retina Ora Serrata Cilliary Body Optic disc Iris Posterior cavity Pupil Sclera Choroid layer
Sclera Cornea Pupil Optic nerve
Retina Choroid layer Cornea Pupil Iris Optic nerve Lens (fell out of place)
Eye Retina Sclera Choroid
Eye Retina Choroid Sclera
Eye Ciliary Body Lens Cornea iris
Eye Cavity Cavity
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