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 small spherical bodies of epithelial cells found in the medulla of the thymus, that are arranged in a concentric pattern around clusters of degenerating lymphocytes, eosinophils and macrophages
Synonyms:
exact_synonym:
abnormal Hassal body morphology; abnormal Hassall concentric corpuscle morphology; abnormal Virchow-Hassall body morphology; abnormal thymic corpuscle morphology