from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An amino acid, C5H12N2O2, not found in proteins, formed by hydrolyzing arginine and important in the formation of urea.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An amino acid, 2,5-diaminopentanoic acid, that is not present in protein, but is an intermediate in the biosynthesis of urea.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an amino acid that does not occur in proteins but is important in the formation of urea


from The American Heritage® Dictionary of the English Language, 4th Edition

ornith(uric acid), an acid found in birds' urine (ornith(o)- + uric acid) + -ine2.


  • DFMO is an inhibitor that specifically targets a key protein called ornithine decarboxylase - latest science and technology news stories

  • The most common of the disorders is called ornithine transcarbamylase deficiency (OTC), with a prevalence of around one in 30,000, said Dr. Mark Batshaw, principal investigator of the Urea Cycle Disorders Consortium, part of the NIH's Office of Rare Diseases Research Network.

    ABC News: Top Stories

  • Such issues include Jesse Gelsinger20 suffered from a rare genetic disorder called ornithine transcarbamylase de fi - exotic therapies versus cheaper more widely ciency, which, while requiring cumbersome treat - useful therapies; ment with diet and drugs, was not a life-threatening disorder for him.

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  • Aminoacidopathies (maple syrup urine disease; homocystinuria; cobalamin deficiencies; tyrosinemia; urea cycle defects (ornithine transcarbamylase, carbamyl phosphate synthase, citrullinemia, argininosuccinic aciduria, arginase deficiencies) and non-ketotic hyperglycinemia)

    Biochemical Genetics-Metabolic Disease

  • Jesse was participating in a gene therapy trial for ornithine transcarboxylase deficiency (OTCD).

    Gene Therapy Novel Therapeutic Branch of Modern Medicine

  • It stimulates your release of growth hormone and ornithine decarboxylase enzymes.


  • The major immune system and human growth hormone stimulants are the amino acids lysine, arginine, and ornithine.

    The New Super-Nutrition

  • D. Dakin he investigated arginase, the ferment which hydrolyses arginine into urea and ornithine, and later he discovered agmatine in herring roe and devised a method for preparing it.

    Albrecht Kossel - Biography

  • I did not know this when I was fasting John, but now, I would give argenine and ornithine to someone with a serious infection as well as massive quantities of vitamin C.

    How and When to Be Your Own Doctor

  • The precursors are two essential amino acids, argenine and ornithine and certain vitamins such as C and B6.

    How and When to Be Your Own Doctor


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