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.
failure to initiate and/or complete closure of the transient gap in the ventral margin of the developing optic cup; fusion of the optic fissure begins with apposition of the inferior lips of the ventral-most optic cup and continues anteriorly toward its rim and posteriorly along the optic stalk; failure or late closure of the optic fissure prevents the establishment of normal fetal intraocular pressure and can result in microphthalmia associataed with colobomas