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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:0010497 term browser browse the term
Definition:A developmental defect in which the legs are fused together.
Synonyms:related_synonym: Sympodia
 xref: MEDDRA:10049216 "Sympodia";   MESH:D004480;   SNOMEDCT_US:253191000;   SNOMEDCT_US:67254002;   SNOMEDCT_US:91089008;   UMLS:C0037205

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Path 1
Term Annotations click to browse term
  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of limbs 0
        Abnormality of the lower limb 0
          Sirenomelia 0
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