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 functional anomaly in the complex process by which multipotent neural crest progenitors acquire migratory and invasive properties, emigrate from the dorsal aspect of the neural tube, migrate along distinct pathways, and differentiate into diverse cell types