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.
higher than normal incidence of a malignant tumor characterized by rapidly proliferating, extensively infiltrating, anaplastic cells derived from blood vessels and appear as irregular blood-filled or lumpy sacs that are typically filled with blood; rupture of the tumor can cause rapid death from bleeding