| 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: | anterior side |
|---|---|
| Synonyms: | anterior, rostral |
| Definition: | An anatomical region that is the entire part of an anatomical structure anterior to a transverse plane and bounded on one side by the same transverse plane. |
| Ontology: | Spatial Ontology [BSPO:0000055] |