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 tissue intervening between two adjacent pulmonary alveoli, which consists of the basement membranes of alveolar-lining epithelium (mostly type I pneumocytes) and capillary endothelium; thicker alveolar septal regions may also contain elastic fibers, collagen, interstitial cells, smooth muscle cells, mast cells, lymphocytes and monocytes