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 sheet of extracellular matrix characteristically situated under epithelial cells, around muscles, nerves, capillaries, and fat cells, and situated between these elements and the underlying or surrounding connective tissue
Comment:
Note: Basal lamina and lamina reticularis (or of two basal laminae) compose the basement membrane. Thus, in strict sense, the term basement membrane is different from and should not be confused with basal lamina.