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Eye

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A&P II Flashcards on Eye, created by mgoodman73 on 05/09/2013.
mgoodman73
Flashcards by mgoodman73, updated more than 1 year ago
mgoodman73
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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