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The Human Phenotype Ontology (HPO) is downloaded weekly from The file downloaded is considered the "last stable build" available for the ontology. For more about the HPO, view their website at

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Accession:HP:0002352 term browser browse the term
Definition:This term describes abnormality of the white matter of the cerebrum resulting from damage to the myelin sheaths of nerve cells.
Comment:This feature can be demonstrated by magnetic resonance imaging or computer tomography.
Synonyms:alt_id: HP:0006838;   HP:0007073
 xref: MESH:D056784;   SNOMEDCT_US:22811006;   UMLS:C0270612

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Term paths to the root
Path 1
Term Annotations click to browse term
  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the nervous system 0
        Abnormal nervous system morphology 0
          Morphological central nervous system abnormality 0
            Abnormality of brain morphology 0
              Abnormal forebrain morphology 0
                Abnormal cerebral morphology 0
                  Leukoencephalopathy 0
                    Abnormal periventricular white matter morphology + 0
                    Diffuse leukoencephalopathy 0
                    Diffuse spongiform leukoencephalopathy 0
                    Posterior leukoencephalopathy 0
                    Progressive leukoencephalopathy 0
paths to the root