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.
increased number of thymocytes that have the cell surface marker phenotype CD4-negative, CD8-negative, CD44-negative, and CD25-positive and expressing the T cell receptor beta-chain in complex with the pre-T cell receptor alpha chain.