ornithine cycle defined in 1951 yearornithine cycle - ornithine cycle;
ornithine cycle - Probable method of urea formation in ureotelic vertebrates. Carbon dioxide and ammonia combine with the amino acid ornithine to give the amino acid arginine, which is split by enzyme arginase into ornithine and urea. Occurs in liver. See also: Uricotelic.
near ornithine cycle in Knolik
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