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.
absence of the flattened, branched squamous cells that covers more than 98 percent of the alveolar surface, and have thin (50-100 nm) cytoplasmic extensions to form the air-blood barrier essential for normal gas exchange
Synonyms:
exact_synonym:
absent AT1; absent ATI; absent Pulmonary alveolar type I cell; absent Type 1 pneumocyte; absent lung type 1 cells; absent membranous pneumocytes; absent small alveolar cells; absent squamous alveolar cell; absent squamous alveolar lining cell; absent type 1 alveolar epithelial cells; absent type I alveolar epithelial cells; absent type I cells; absent type I pneumonocytes