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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:Basilar artery fenestration
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Accession:HP:6000787 term browser browse the term
Definition:A fenestration affecting the basilar artery. Basilar fenestration typically occurs at the lower end of the basilar artery just as the vertebral arteries join Fenestrations of intracranial arteries are segmental duplications of the lumen into two distinct endothelium-lined channels, which may or may not share their adventitial layer. They can range from a small focus of divided tissue to long-segment duplication. Fenestrations are the result of partial failure of fusion of paired primitive embryologic vessels or incomplete obliteration of different anastomosis in a primitive vascular network. The association of fenestrations with aneurysms has been suggested in many small case series, though the exact relationship is not well defined.
Synonyms:exact_synonym: Basilar fenestration


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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 systemic arterial morphology 0
                Basilar artery fenestration 0
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