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 small, migratory, phagocytic, interstitial cells derived from myeloid progenitor cells and found in the parenchyma of the central nervous system; microglia are scavengers, engulfing dead cells and other debris, and in Alzheimer's disease, microglia are found associated with dying nerve cells and amyloid plaques