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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:Abnormality of the head
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Accession:HP:0000234 term browser browse the term
Definition:An abnormality of the head.
Synonyms:exact_synonym: Abnormal head;   Head abnormality
 xref: UMLS:C4021812

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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 head or neck 0
        Abnormality of the head 0
          Abnormal head blood vessel morphology + 0
          Abnormal scalp morphology + 0
          Abnormal skull morphology + 0
          Abnormality of the face + 0
          Fixed head retroflexion 0
paths to the root