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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 circulating homocysteine level
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Accession:MP:0006076 term browser browse the term
Definition:aberrant amount in the blood of sulfur-containing alpha-amino acid found in the plasma; blood levels are regulated by folic acid, vitamin B6 and vitamin B12
Comment:A homocysteine measurement is the quantification of homocsyteine in blood or urine and is used in the diagnosis of B12 and/or folate deficiency, and as part of a cardiac risk assessment.
Synonyms:exact_synonym: abnormal blood serum homocysteine level

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  mammalian phenotype 5364
    homeostasis/metabolism phenotype 1389
      abnormal homeostasis 1295
        abnormal blood homeostasis 742
          abnormal circulating amino acid level 60
            abnormal circulating homocysteine level 0
              decreased circulating homocysteine level 0
              increased circulating homocysteine level 0
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