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Created by mgoodman73
over 11 years ago
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Question | Answer |
is an almost spherical organ that measures about 2.5 cm | Eye |
3 principal layers form the wall of the eye. | *fibrous tunic *vascular tunic *retina |
The external layer of the eye wall | Fibrous tunic |
The fibrous tunic is composed of: | Sclera Cornea |
Most of the fibrous tunic is the tough sclera, a part of the outer layer that is called: | "White" of the eye. |
-provides eye shape -protects internal components -The attachment site for extrinsic eye muscles -Dura mater surrounding optic nerve | Sclera |
is a convex, transparent structure that forms the anterior 1/6 of the fibrous tunic | Cornea |
The structural continuity between the cornea and sclera is called: | Limbus |
The structural continuity between the cornea and sclera is called: | Limbus |
*Inner simple squamous epithelium *Outer stratified squamous epithelium, corneal epithelium *avascular | Cornea |
nutrients and oxygen from lacrimal gland fluid | External Corneal epithelium |
obtains needed gases and nutrients from the fluid in the anterior chamber | Internal epithelium |
The convex shape refracts (bends) light rays coming into the eye. | Cornea |
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