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an essential amino acid, C 6 H 14 N 4 O 2 : the free amino acid increases insulin secretion and is converted to urea in the liver by arginase. Symbol: R.
Abbreviation: Arg;
Historical Examples

In vertebrates, the basis for the phosphoric acid is creatine, whereas invertebrates have arginine instead.
Smithsonian Institution – United States National Museum – Bulletin 240 Anonymous

an essential amino acid of plant and animal proteins, necessary for nutrition and for the production of excretory urea

arginine ar·gi·nine (är’jə-nēn’)
Abbr. Arg
An amino acid obtained from the hydrolysis or digestion of plant and animal protein.
An amino acid that is essential for children but not for adults. Chemical formula: C6H14N4O2.


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  • Argininosuccinicaciduria

    argininosuccinicaciduria argininosuccinicaciduria ar·gi·ni·no·suc·cin·ic·ac·i·du·ri·a (är’jə-nĭ-nō-sək-sĭn’ĭk-ās’ĭ-dur’ē-ə, -dyur’-, är’jə-nē’-) n. A disorder characterized by excessive excretion of argininosuccinic acid in the urine, epilepsy, ataxia, mental retardation, liver disease, and friable, tufted hair.

  • Argininosuccinic acid

    argininosuccinic acid argininosuccinic acid ar·gi·ni·no·suc·cin·ic acid (är’jə-nĭ-nō-sək-sĭn’ĭk, är’jə-nē’-) n. An acid formed as an intermediate during the urea cycle in a reaction involving aspartic acid and adenosine triphosphate.

  • Argive

    of or relating to . . a native of . a . Historical Examples And he wrote a book in which he took away the palm of beauty from Argive Helen and handed it to poor Penelope. Ulysses James Joyce Let him also choose twenty Trojan women, who may be fairest next to Argive Helen. […]

  • Argle

    v. 1580s “to argue obstinately,” from argue, perhaps by influence of haggle. Reduplicated form argle-bargle (sometimes argy-bargy) “wrangling” is attested from 1872.

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