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 central retinal artery that branches off the ophthalmic artery, running inferior to the optic nerve within its dural sheath to the eyeball; this artery provides the majority of the retinal arterial supply except for the layer of cones and rods; it splits into multiple terminal branches within the ninth layer of retina, which then comprise a cobweb of retinal arterioles and capillaries that nourishes the inner retinal layers