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.
an abnormality in which the heart ventricles are in a superior-inferior relationship due to abnormal displacement of the ventricular mass along the horizontal plane of its long axis; this frequently occurs together with criss-cross atrio-ventricular relationships