|
Search over 100 encyclopedias and dictionaries: |
Research categories | Follow us on Twitter |
Research categories
View all topics in the newsView all reference sources at Encyclopedia.com |
|||
cornea
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.
|
|
|
Cite this article
"cornea." A Dictionary of Biology. 2004. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "cornea." A Dictionary of Biology. 2004. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O6-cornea.html "cornea." A Dictionary of Biology. 2004. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O6-cornea.html |
|
cornea
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. |
|
|
Cite this article
"cornea." A Dictionary of Nursing. 2008. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "cornea." A Dictionary of Nursing. 2008. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O62-cornea.html "cornea." A Dictionary of Nursing. 2008. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O62-cornea.html |
|
cornea
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.
|
|
|
Cite this article
T. F. HOAD. "cornea." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. T. F. HOAD. "cornea." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O27-cornea.html T. F. HOAD. "cornea." The Concise Oxford Dictionary of English Etymology. 1996. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O27-cornea.html |
|
cornea
|
|
|
Cite this article
"cornea." World Encyclopedia. 2005. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "cornea." World Encyclopedia. 2005. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O142-cornea.html "cornea." World Encyclopedia. 2005. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O142-cornea.html |
|
cornea
cor·ne·a / ˈkôrnēə/ • n. the transparent layer forming the front of the eye. DERIVATIVES: cor·ne·al adj. |
|
|
Cite this article
"cornea." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "cornea." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O999-cornea.html "cornea." The Oxford Pocket Dictionary of Current English. 2009. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-cornea.html |
|
cornea
cornea The layer of transparent tissue that forms the front of the eye of a vertebrate; it refracts light on to the lens.
|
|
|
Cite this article
MICHAEL ALLABY. "cornea." A Dictionary of Zoology. 1999. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "cornea." A Dictionary of Zoology. 1999. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O8-cornea.html MICHAEL ALLABY. "cornea." A Dictionary of Zoology. 1999. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-cornea.html |
|
cornea
cornea see eye . |
|
|
Cite this article
"cornea." The Columbia Encyclopedia, 6th ed.. 2008. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "cornea." The Columbia Encyclopedia, 6th ed.. 2008. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1E1-X-cornea.html "cornea." The Columbia Encyclopedia, 6th ed.. 2008. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-X-cornea.html |
|
cornea
cornea
•Campania, Catania, pannier
•apnoea
•Oceania, Tanya, Titania
•biennia, denier, quadrennia, quinquennia, septennia, triennia
•Albania, balletomania, bibliomania, crania, dipsomania, egomania, erotomania, kleptomania, Lithuania, Lusitania, mania, Mauritania, megalomania, miscellanea, monomania, nymphomania, Pennsylvania, Pomerania, pyromania, Rainier, Romania, Ruritania, Tasmania, Transylvania, Urania
•Armenia, bergenia, gardenia, neurasthenia, proscenia, schizophrenia, senior, Slovenia
•Abyssinia, Bithynia, curvilinear, Gdynia, gloxinia, interlinear, Lavinia, linear, rectilinear, Sardinia, triclinia, Virginia, zinnia
•insignia • Sonia • insomnia • Bosnia
•California, cornea
•Amazonia, ammonia, Antonia, Babylonia, begonia, bonier, Catalonia, catatonia, Cephalonia, Estonia, Ionia, Laconia, Livonia, Macedonia, mahonia, Patagonia, pneumonia, Rondônia, sinfonia, Snowdonia, valonia, zirconia
•junior, petunia
•hernia, journeyer
|
|
|
Cite this article
"cornea." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "cornea." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O233-cornea.html "cornea." Oxford Dictionary of Rhymes. 2007. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O233-cornea.html |
|