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.
atypical production of or inability to produce the cells that secrete insulin and are located towards the center of the islets of Langerhans in the pancreas, and/or accumulation of pancreatic beta cell precursors
Synonyms:
exact_synonym:
abnormal insulin-secreting cell differentiation; abnormal pancreatic B cell differentiation