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.
any structural anomaly of the portion of the aorta that arises from the base of the left ventricle and extends upward to the aortic arch and from which the coronary arteries arise
Synonyms:
exact_synonym:
abnormal aorta ascendens; abnormal pars ascendens aortae