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 abnormal communication (shunt) between the right and left sides of the heart or between the systemic and pulmonary vessels, allowing blood to flow directly from one circulatory system to the other; blood can either be shunted from the systemic circulation to pulmonary circulation (i.e. left-to-right shunt) or between the pulmonary circulation and systemic circulation (i.e. right-to-left shunt); rarely, the shunted blood returns to the same cardiac chamber without traversing a capillary bed (i.e. circular shunt); most commonly shunts are the result of congenital heart disease