Term: aortic arch posterior region
Name: aortic arch
Synonyms: aortic arches, branchial aortic arches
Definition: Artery that is part of the pharyngeal arches.
Ontology: Anatomy Ontology [ZFA:0005004]

Name: posterior region
Synonyms:
Definition: Anatomical region posteriorly located on the body or body part.
Ontology: Spatial Ontology [BSPO:0000072]