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The Mouse Adult Gross Anatomy Ontology and Mammalian Phenotype Ontology are downloaded weekly from the Mouse Genome Informatics databases at Jackson Laboratories ( For more information about these ontologies, see the MGI Publications Page at

Term:abnormal ornithine level
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Accession:MP:0030646 term browser browse the term
Definition:anomaly in the amount of ornithine, an amino acid only rarely found in proteins, but which is important in living organisms as an intermediate in the reactions of the urea cycle and in arginine biosynthesis; ornithine is an alpha-amino acid that is pentanoic acid bearing two amino substituents at positions 2 and 5

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  mammalian phenotype 5364
    homeostasis/metabolism phenotype 1389
      abnormal homeostasis 1295
        abnormal amino acid level 72
          abnormal ornithine level 0
            abnormal circulating ornithine level + 0
            decreased ornithine level + 0
            increased ornithine level + 0
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