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 ring of smooth muscle in the eye's vascular layer that forms the main part of the ciliary body, controls accommodation for viewing objects at varying distances, and regulates the flow of aqueous humor into the canal of Schlemm