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.
greater than the expected number of benign lobulated neoplasms of hyaline cartilage occurring in bones of endochondral origin, in a specific population in a given time period; enchondromas are usually solitary, intramedullary lesions commonly found in the short tubular bones of the hands and feet, distal femur, and proximal humerus