arginine

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arginine

 (Arg) (R) [ahr´jĭ-nēn]
a nonessential amino acid that occurs in proteins and is involved in the urea cycle and in the synthesis of creatine. Preparations of the base or the glutamate or hydrochloride salt are used in the treatment of hyperammonemia and in the assessment of pituitary function.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

ar·gi·nine (Arg),

(ar'ji-nēn),
An amino acid occurring among the hydrolysis products of proteins, particularly abundant in the basic proteins such as histones and protamines. A dibasic amino acid.
Farlex Partner Medical Dictionary © Farlex 2012

arginine

(är′jə-nēn′)
n.
An amino acid, C6H14N4O2, obtained from the hydrolysis or digestion of plant and animal protein.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

arginine

Biochemistry
A facultatively essential amino acid that contains a guanido group with a pKa > 12, which carries a positive charge at physiological pH; it becomes an essential amino acid when the body is under stress or injured.

Sources
Food—turkey, chicken and other meats.
 
Fringe medicine
An amino acid believed to decrease cancer risk, and given as a nutritional supplement; arginine stimulates sperm motility.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

arginine

Biochemistry A 'facultatively' essential amino acid that contains a guanido group with a pKa > 12, which carries a positive charge at physiological pH; it becomes an essential amino acid when the body is under stress or injured Sources Turkey, chicken and other meats. See Unproven methods for cancer management.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

ar·gi·nine

(ahr'ji-nēn)
One of the amino acids occurring among the hydrolysis products of proteins, particularly abundant in the basic proteins such as histones and protamines. A dibasic amino acid.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Arginineclick for a larger image
Fig. 46 Arginine . Molecular structure.

arginine (R, Arg)

one of 20 AMINO ACIDS common in proteins. It has an extra basic group, and is alkaline in solution. The ISOELECTRIC POINT of arginine is 10.8. See Fig. 46 .
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

ar·gi·nine

(ahr'ji-nēn)
An amino acid occurring among the hydrolysis products of proteins, particularly abundant in the basic proteins.
Medical Dictionary for the Dental Professions © Farlex 2012