Cross-Sectional Anatomy of the Eye

The cornea ______ blood vessels
Lacks

The cornea is nourished by the fluid behind it called the
Aqueous humor

The transparent lens located behind the iris is suspended by ligaments called
Zonule fibers

The zonule fibers are attached to
Ciliary muscle

Ciliary muscle forms
A ring inside the eye

The _______ in the shape of the lens enable our eyes to adjust their focus to different viewing distances
Changes

The viscous, jelly-like _________ lies between the lens and the retina
The viscous, jelly-like _________ lies between the lens and the retina
Vitreous humor

What serves to keep the eye spherical?
The aqueous humor

The dilation and constriction of the iris is controlled by which cranial nerve?
The oculomotor (III) cranial nerve

The dilation and constriction of the iris is a _______ response
Sympathetic

The retina is the rostral continuation of what structure that emerges from the diencephalon during development?
Optic cups

The choroid layer of the eye contains what pigment? What does this pigment do?
The choroid layer of the eye contains what pigment? What does this pigment do?
Melanin, keeps light from refracting and bouncing around the eye

Cornea The outermost lens of the eye that focuses light into the inner eye and protects it from harmful matter. Retina The light sensitive layer within the eye that converts images into electrical signals. WE WILL WRITE A CUSTOM ESSAY …

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Retina A thin film inside the back surface of the eyeball that acts as a screen where the light image lands and is sent to the brain Cornea Clear protective covering over the front of eye that bends light entering …

Cornea Cornea 7 WE WILL WRITE A CUSTOM ESSAY SAMPLE ON ANY TOPIC SPECIFICALLY FOR YOU FOR ONLY $13.90/PAGE Write my sample Iris Iris 5 Sclera 12 Sclera Retina (LAYER) Retina 14 Macula Macula Macula 16 Optic Nerve Optic Nerve …

Lacrimal Canal Name the structure. Superior Levator Palpebra Name the muscle. WE WILL WRITE A CUSTOM ESSAY SAMPLE ON ANY TOPIC SPECIFICALLY FOR YOU FOR ONLY $13.90/PAGE Write my sample Cornea Name the structure; be specific. Pupil Name the opening. …

cones light sensitive cells that allow humans to see color sclera White outer membrane of the eye that covers the eyeball WE WILL WRITE A CUSTOM ESSAY SAMPLE ON ANY TOPIC SPECIFICALLY FOR YOU FOR ONLY $13.90/PAGE Write my sample …

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