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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:0005864 term browser browse the term
Definition:A pathologic entity characterized by a developmental defect in a long bone leading to bending and pathologic fracture, with inability to form a normal bony callus with subsequent fibrous nonunion, leading to the pseudarthrosis (or 'false joint').
Synonyms:exact_synonym: Pseudoarthroses
 xref: MESH:D011542;   SNOMEDCT_US:31511007;   SNOMEDCT_US:410818009;   UMLS:C0033785

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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the musculoskeletal system 0
        Abnormality of the skeletal system 0
          Abnormal skeletal morphology 0
            Abnormal appendicular skeleton morphology 0
              Abnormal long bone morphology 0
                Pseudoarthrosis 0
                  Congenital pseudoarthrosis of the clavicle 0
                  Tibial pseudarthrosis 0
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