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ornithine

A Dictionary of Biology | 2004 | Copyright

ornithine (Orn) An amino acid, H₂N(CH₂)₃CH(NH₂)COOH, that is not a constituent of proteins but is important in living organisms as an intermediate in the reactions of the urea cycle and in arginine synthesis.

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

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ornithine

A Dictionary of Food and Nutrition | 2005 | | Copyright

ornithine An amino acid that occurs as a metabolic intermediate in the synthesis of urea, but not involved in protein synthesis, so of no nutritional importance.

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DAVID A. BENDER. "ornithine." A Dictionary of Food and Nutrition. 2005. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

DAVID A. BENDER. "ornithine." A Dictionary of Food and Nutrition. 2005. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O39-ornithine.html

DAVID A. BENDER. "ornithine." A Dictionary of Food and Nutrition. 2005. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O39-ornithine.html

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ornithine

A Dictionary of Zoology | 1999 | | Copyright

ornithine A non-protein amino acid which, in the liver of vertebrates, contributes to the conversion of ammonia and carbon dioxide into urea.

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MICHAEL ALLABY. "ornithine." A Dictionary of Zoology. 1999. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

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

MICHAEL ALLABY. "ornithine." A Dictionary of Zoology. 1999. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-ornithine.html

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ornithine

A Dictionary of Nursing | 2008 | Copyright

ornithine (or-ni-theen) n. an amino acid produced in the liver as a by-product during the conversion of ammonia to urea.

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"ornithine." A Dictionary of Nursing. 2008. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

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

"ornithine." A Dictionary of Nursing. 2008. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O62-ornithine.html

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