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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:Venous thrombosis
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Accession:HP:0004936 term browser browse the term
Definition:Formation of a blood clot (thrombus) inside a vein, causing the obstruction of blood flow.
Synonyms:exact_synonym: Blood clot in vein;   venous thromboembolism
 xref: EFO:0004286;   MESH:D020246;   SNOMEDCT_US:111293003;   UMLS:C0042487

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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of blood and blood-forming tissues 0
        Abnormal thrombosis 0
          Venous thrombosis 0
            Cerebral venous sinus thrombosis 0
            Cerebral venous thrombosis 0
            Deep venous thrombosis + 0
            Splanchnic vein thrombosis + 0
            Thrombophlebitis + 0
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