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 specialized smooth muscle cells that synthesize, store, and secrete renin and are found in the wall of each afferent arteriole of a kidney glomerulus near its point of entry adjacent to a macula densa; J-G cells are distinguished by their granulated cytoplasm and play a critical role in the renin-angiotensin system and thus in renal autoregulation