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.
decrease in the number of normal cells in normal arrangement in either one or both of the atrioventricular valves, typically resulting in decreased size
Synonyms:
exact_synonym:
AV valve hypoplasia; hypoplastic AV valve; hypoplastic AV valves; hypoplastic atrioventricular valve; hypoplastic atrioventricular valves