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.
abnormal function of a CD23-negative, CD21-positive B cell of the marginal zone of the spleen expressing a B cell receptor usually reactive to bacterial cell wall components or senescent self components such as oxidized-LDL