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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 blood vessel morphology
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Accession:HP:0033353 term browser browse the term
Definition:Any structural anomaly of a blood vessel (artery, arteriole, capillary, venule, or vein).

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Term paths to the root
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Term Annotations click to browse term
  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the cardiovascular system 0
        Abnormal cardiovascular system morphology 0
          Abnormal vascular morphology 0
            Abnormal blood vessel morphology 0
              Abnormal capillary morphology 0
              Abnormal morphology of the great vessels + 0
              Abnormal systemic arterial morphology + 0
              Abnormal vasa vasorum morphology 0
              Abnormal venous morphology + 0
              Arteriovenous malformation + 0
              Perivascular fibrosis + 0
              Vascular calcification + 0
              Vascular dilatation + 0
              Vascular tortuosity + 0
              Vasculitis + 0
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