The Mouse Adult Gross Anatomy Ontology and Mammalian Phenotype Ontology are downloaded weekly from the Mouse Genome Informatics databases at Jackson Laboratories (ftp://ftp.informatics.jax.org/pub/reports/index.html). For more information about these ontologies, see the MGI Publications Page at http://www.informatics.jax.org/mgihome/other/publications.shtml.
a progressive disease of the bone marrow where neoplastic bone marrow stem cells lodge and grow at sites outside the bone marrow, and the marrow is replaced by fibrous (scar) tissue; may lead to anemia, enlarged spleen, the presence of nucleated red blood cells and immature granulocytes in the blood, and the occurrence of extramedullary hematopoiesis in the spleen and liver