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.
change in the normal production (volume) or ionic homeostasis of the fluid contained within the osseous labyrinth, surrounding and protecting the membranous labyrinth; perilymph resembles extracellular fluid in composition, has a high concentration of sodium ion and a low concentration of potassium ion and, through the perilymphatic duct, is in continuity with cerebrospinal fluid