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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:Megakaryocyte dysplasia
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Accession:HP:0031689 term browser browse the term
Definition:The presence of micro-megakaryocytes, hypo-lobed, or non-lobed nuclei in megakaryocytes of all sizes and multiple, widely-separated nuclei.
Synonyms:exact_synonym: Dysmegakaryopoiesis

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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of blood and blood-forming tissues 0
        Abnormality of bone marrow cell morphology 0
          Abnormal megakaryocyte morphology 0
            Megakaryocyte dysplasia 0
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