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.
separation of prickle cells of the spinous layer of the epidermis, resulting in atrophy of the prickle cell layer, as in conditions such as pemphigus vulgaris and Darier disease