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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:Abnormal alpha granules
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Accession:HP:0012483 term browser browse the term
Definition:Defective structure, size or content of alpha granules, platelet organelles that contain several growth factors destined for release during platelet activation at sites of vessel wall injury.
Comment:This feature can be observed by electron microscopy. Alpha granules normally contain a number of proteins including von Willebrand factor, and fibrinogen.
Synonyms:xref: UMLS:C4022886


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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of blood and blood-forming tissues 0
        Abnormality of thrombocytes 0
          Abnormal platelet morphology 0
            Abnormal platelet granules 0
              Abnormal alpha granules 0
                Abnormal alpha granule content 0
                Abnormal alpha granule distribution 0
                Abnormal number of alpha granules + 0
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