Term: pharyngeal arch 2 dorsal region
Name: pharyngeal arch 2
Synonyms: hyoid arch, visceral arch 2
Definition: The second pharyngeal arch, also known as the hyoid arch, forms jaw support structures. Anteriorly positioned cranial neural crest cells, which align with rhombomeres 4/5, contribute to the hyoid arch structures including the ceratohyal and hyosymplectic cartilages.
Ontology: Anatomy Ontology [ZFA:0001611]

Name: dorsal region
Synonyms:
Definition: Anatomical region dorsally located on the body or body part.
Ontology: Spatial Ontology [BSPO:0000079]