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.
absence of ovarian follicles that are ready for ovulation and present a blanched spot (the follicular stigma) where the graafian follicle is about to rupture on the surface of the ovary; a first maturation (meiotic) division of the primary oocyte usually occurs just prior to rupture of the follicle