Anatomy and Physiology

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cornea

A Dictionary of Biology | 2004 | Copyright

cornea A transparent layer of tissue, continuous with the sclerotic, that forms the front part of the vertebrate eye, over the iris and lens. The cornea refracts light entering the eye onto the lens, thus assisting in the focusing of images onto the retina. See also astigmatism.

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"cornea." A Dictionary of Biology. 2004. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

"cornea." A Dictionary of Biology. 2004. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O6-cornea.html

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cornea

A Dictionary of Nursing | 2008 | Copyright

cornea (korn-iă) n. the transparent circular part of the front of the eyeball. It refracts the light entering the eye onto the lens, which then focuses it onto the retina.
—corneal (korn-iăl) adj.

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"cornea." A Dictionary of Nursing. 2008. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

"cornea." A Dictionary of Nursing. 2008. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O62-cornea.html

"cornea." A Dictionary of Nursing. 2008. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O62-cornea.html

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cornea

The Concise Oxford Dictionary of English Etymology | 1996 | | Copyright

cornea (anat.) horny covering of the eyeball. XIV. — modL., short for medL. cornea tēla or tunica horny tissue or coating; fem. of corneus (whence corneous XVII), f. L. cornū HORN.

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T. F. HOAD. "cornea." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

T. F. HOAD. "cornea." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O27-cornea.html

T. F. HOAD. "cornea." The Concise Oxford Dictionary of English Etymology. 1996. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O27-cornea.html

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cornea

World Encyclopedia | 2005 | Copyright

cornea Transparent membrane at the front of the eye. It is curved and acts as a fixed lens, so that light entering the eye is to some extent focused before it reaches the lens.

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"cornea." World Encyclopedia. 2005. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O142-cornea.html

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cornea

The Oxford Pocket Dictionary of Current English | 2009 | Copyright

cor·ne·a / ˈkôrnēə/ • n. the transparent layer forming the front of the eye. DERIVATIVES: cor·ne·al adj.

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"cornea." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

"cornea." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O999-cornea.html

"cornea." The Oxford Pocket Dictionary of Current English. 2009. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-cornea.html

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cornea

A Dictionary of Zoology | 1999 | | Copyright

cornea The layer of transparent tissue that forms the front of the eye of a vertebrate; it refracts light on to the lens.

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MICHAEL ALLABY. "cornea." A Dictionary of Zoology. 1999. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "cornea." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O8-cornea.html

MICHAEL ALLABY. "cornea." A Dictionary of Zoology. 1999. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-cornea.html

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cornea

The Columbia Encyclopedia, 6th ed. | 2011 | Copyright

cornea see eye .

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"cornea." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

"cornea." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1E1-X-cornea.html

"cornea." The Columbia Encyclopedia, 6th ed.. 2011. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-X-cornea.html

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Free newspaper and magazine articles

	Corneas from a dish.(Sci-Tech News) Magazine article from: Look Japan; 5/1/2003
	Laboratory-grown corneas come into sight.(Brief Article) Magazine article from: Science News; 12/11/1999
	New artificial corneas may restore sight; Synthetic implants; Initial tests... Newspaper article from: The Seattle Times (Seattle, WA); 8/26/2010