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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 anus
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Accession:HP:0004378 term browser browse the term
Definition:Abnormality of the anal canal.
Comment:The anal canal is continuous proximally with the rectum and distally terminates with the anus.
Synonyms:xref: UMLS:C4025329

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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the digestive system 0
        Abnormality of the anus 0
          Abnormal anus morphology + 0
          Abnormal anus physiology + 0
          Anal neoplasm + 0
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