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 benign neoplasm derived from pluripotential mesenchymal stem cells of either the left or right atrium connective tissue, consisting chiefly of polyhedral and stellate cells that are loosely embedded in a soft mucoid matrix; an increase in primary intracardiac tumor incidence