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.
failure to develop or absence of the second pharyngeal arch artery
Synonyms:
exact_synonym:
absent second PAA; absent second aortic arch artery; absent second branchial arch artery; second pharyngeal arch artery agenesis; second pharyngeal arch artery aplasia