a nonessential amino acid, NH(CH)CH(NH)COOH, found in animals as a product of urea formation from proteins and in the excrement of birds
Origin of ornithine
from Classical Greek ornis, bird (see ornitho-) + -ineornithine
or·ni·thineWebster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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"ornithine." YourDictionary, n.d. Web. 15 January 2019. <https://www.yourdictionary.com/ornithine>.
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ornithine. (n.d.). Retrieved January 15th, 2019, from https://www.yourdictionary.com/ornithine
ornithine
noun
An amino acid, C5H12N2O2, not found in proteins, formed by hydrolyzing arginine and important in the formation of urea.
Origin of ornithine
ornith(uric acid) an acid found in birds' urine ( ornith(o)- ) ( uric acid ) -ine 2THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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"ornithine." YourDictionary, n.d. Web. 15 January 2019. <https://www.yourdictionary.com/ornithine>.
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ornithine. (n.d.). Retrieved January 15th, 2019, from https://www.yourdictionary.com/ornithine
An amino acid not found in proteins, formed by hydrolyzing arginine and important in the formation of urea. Chemical formula: C5H12N2O2.
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"ornithine." YourDictionary, n.d. Web. 15 January 2019. <https://www.yourdictionary.com/ornithine>.
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ornithine. (n.d.). Retrieved January 15th, 2019, from https://www.yourdictionary.com/ornithine
Noun
(countable and uncountable, plural ornithines)
- (biochemistry, organic chemistry) An amino acid, 2,5-diaminopentanoic acid, that is not present in protein, but is an intermediate in the biosynthesis of urea.
English Wiktionary. Available under CC-BY-SA license.
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"ornithine." YourDictionary, n.d. Web. 15 January 2019. <https://www.yourdictionary.com/ornithine>.
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ornithine. (n.d.). Retrieved January 15th, 2019, from https://www.yourdictionary.com/ornithine
ornithine - Medical Definition
n.
An amino acid, C5H12N2O2, not found in proteins, formed by hydrolyzing arginine and important in the formation of urea.
The American Heritage Dictionary of Medicine © 2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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"ornithine." YourDictionary, n.d. Web. 15 January 2019. <https://www.yourdictionary.com/ornithine>.
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ornithine. (n.d.). Retrieved January 15th, 2019, from https://www.yourdictionary.com/ornithine
