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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:decreased partial thromboplastin time
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Accession:MP:0012358 term browser browse the term
Definition:decreased amount of time it takes blood to clot after the addition of phospholipid, calcium, and an activator, e.g., silica, kaolin; measure of the quality of the intrinsic and common coagulation pathways
Synonyms:exact_synonym: decreased aPTT;   decreased activated thromboplastin time;   reduced aPPT;   reduced partial thromboplastin time;   shortened partial thromboplastin time

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  mammalian phenotype 5373
    homeostasis/metabolism phenotype 1397
      abnormal homeostasis 1299
        abnormal blood homeostasis 743
          abnormal hemostasis 18
            abnormal blood coagulation 17
              abnormal partial thromboplastin time 5
                decreased partial thromboplastin time 0
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