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.
the luminal space of the right upper chamber of the heart is increased in volume or area, usually with an increase in contained fluid
Synonyms:
exact_synonym:
cardiac right atrial dilation; cardiac right atrium dilation; dilated cardiac right atria; dilated cardiac right atrium; dilated heart right atria; heart right atrium dilation; right atrial dilation