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 subset of T cells found in the thymus that express neither CD4 nor CD8
Comment:
These are precursors to mature T cells; normally, they do not circulate, but are found in the thymus and they have not undergone rearrangement of the alpha and beta T cell receptor genes.
Synonyms:
exact_synonym:
CD4-CD8- T cell abnormalities; double-negative T cell abnormalities