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.
any structural anomaly of the paired, fan-shaped extrinsic tongue muscle which forms the majority of the body of the tongue, arises from the mental spine of the mandible and inserts into the hyoid bone and the bottom of the tongue; its action protracts and depresses the tongue