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.
congenital, complete or partial, absence of one or both jaws; total absence of the maxilla and/or mandible is extremely rare in mammals; when agnathia occurs, it may be combined with cyclopia or synotia