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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:0002780 term browser browse the term
Definition:Weakness or softness of the cartilage in the walls of the bronchial tubes.
Synonyms:xref: MESH:D055091;   SNOMEDCT_US:54203008;   UMLS:C0264353

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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 the respiratory system 0
        Abnormal respiratory system morphology 0
          Abnormal tracheobronchial morphology 0
            Abnormal bronchus morphology 0
              Bronchomalacia 0
                Tracheobronchomalacia + 0
paths to the root