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HUMAN PHENOTYPE - ANNOTATIONS

The Human Phenotype Ontology (HPO) is downloaded weekly from http://compbio.charite.de/hudson/job/hpo/lastStableBuild/artifact/ontology/release/hp.obo. The file downloaded is considered the "last stable build" available for the ontology. For more about the HPO, view their website at http://www.human-phenotype-ontology.org/.
Term:Iliac vein compression
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Accession:HP:6001099 term browser browse the term
Definition:Compression of the common iliac vein against the spine by the contralateral common iliac artery.
Comment:Pulsations of the overriding artery cause shear stress and endothelial changes in the vein, resulting in the formation of fibrous bands or spurs. Over time, the affected area forms a stricture, causing impaired venous return and, in some circumstances, deep venous thrombosis. Common iliac vein compression can be ascertained by Doppler sonography.


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  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 venous morphology 0
                Iliac vein compression 0
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