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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:Abnormal pulmonary fissure morphology
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Accession:HP:0032991 term browser browse the term
Definition:An abnormal form or number of the pulmonary fissures.
Comment:A fissure is the infolding of visceral pleura that separates one lobe or part of a lobe from another; thus, the interlobar fissures are produced by two layers of visceral pleura. The azygos fissure, unlike the other fissures, is formed by two layers each of visceral and parietal pleura. Supernumerary fissures usually separate segments rather than lobes. Supernumerary fissures usually separate segments rather than lobes.

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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the respiratory system 0
        Abnormal respiratory system physiology 0
          Abnormal respiratory system morphology 0
            Abnormal lung morphology 0
              Abnormal lung development 0
                Abnormal pulmonary fissure morphology 0
                  Abnormal pulmonary fissure architecture 0
                  Abnormal pulmonary fissure count + 0
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