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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

Term:Abnormal diffusion weighted cerebral MRI morphology
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Accession:HP:0032615 term browser browse the term
Definition:A diffusion abnormality observed in diffusion-weighted magnetic resonance imaging (MRI) of the brain. Molecular diffusion refers to the notion that any type of molecule in a fluid (eg, water) is randomly displaced as the molecule is agitated by thermal energy. Restricted diffusion of water appears bright on diffusion-weighted images.
Synonyms:exact_synonym: Diffusion weighted imaging (DWI) abnormality;   Diffusion weighted magnetic resonance imaging (DWI) abnormality;   MRI diffusion abnormality of the cerebrum

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  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
                  Abnormal diffusion weighted cerebral MRI morphology 0
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