The eye has three major coats of tissue. The outer layer is a region of dense connective tissue called the sclera.
This covers the posterior two-thirds of the eye, supports the eye, and serves as an attachment for the extraocular
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muscles. The anterior third of the scleral layer is modified to form the cornea (A), which permits the passage of light
to the interior.
The middle coat of tissue in the eye is the vascular layer, or uvea. This region consists of three distinct subdivisions:
by
the choroid, ciliary body, and iris (B).
[Rutgers
The innermost region of the eye is the retina (C), which contains the photoreceptor cells, associated neurons, and
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supporting cells. This layer is sensitive to light and transmits information to the brain via the optic nerve (D).
The region between the cornea and iris is the anterior chamber, and that area between the iris and the lens (E) is the
posterior chamber. These two chambers contain a watery fluid called aqueous humor.
130.219.8.11]
Posterior to the lens is the vitreous body containing vitreous humor, a transparent gel that fills this area but has been
washed out of this specimen. External to the eye are the coverings of the cornea, the eyelids (F).
at
[04/08/15].
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