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Chapter 10 anatomy
eyes study guide
Term | Definition |
---|---|
cornea | outer covering , transparent part of the eye that first focuses light |
Sclera | the whites of the eye, continuation of the cornea |
Optic Nerve | exits at optic disk and transmits information from the eye to occipital lobe of the brain |
Choroid | contains blood vessels |
Ciliary body | holds the lens in place |
Lens | disc insides the eye that flattens to see far and curves to see up close |
Iris | colored portion of the eye |
Pupil | opening for light to enter |
Aqueous Humor | liquid surrounding the lens , found between the cornea and lens |
Retina | contains visual receptor cells, Rods Black and White Cones: color |
Fovea Centralis | region of the sharpest vision, also called the macula superior to the optic disc |
Optic Disc | Where nerve fibers leave the eye , creating a blind spot |
Vitreous Humor | supports internal parts , fluid within the eye |