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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:Brain atrophy
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Accession:HP:0012444 term browser browse the term
Definition:Partial or complete wasting (loss) of brain tissue that was once present.
Synonyms:exact_synonym: Brain degeneration;   Brain wasting
 xref: SNOMEDCT_US:278849000;   SNOMEDCT_US:418143002;   SNOMEDCT_US:52522001;   UMLS:C0154671;   UMLS:C0235946

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Term paths to the root
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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
              Brain atrophy 0
                Atrophy/Degeneration affecting the cerebrum + 0
                Global brain atrophy 0
paths to the root