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.
local accumulation of fluid, plasma proteins, and leukocytes in the invaginated serous membrane that surrounds the lungs (visceral portion) and lines the walls of the pleural cavity (parietal portion)