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 anterior facial part of the face or muzzle containing the oral and nasal regions
Comment:
The term muzzle has multiple meanings and can be ambiguous. It has been added as a broad synonym, and in this case, refers both to the protruding part of the face seen in many animal species.