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.
acquired or inherited group of disorders characterized by excessive production of porphyrins or their precursors; if acquired, it results from inhibition of enzymes in the heme metabolic pathway by drugs, toxins or abnormal metabolites