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 any of the striated skeletal muscles innervated by the facial nerve (cranial nerve VII) that, among other things, control facial expression; facial muscles are derived from the second branchial/pharyngeal arch