| Term 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. |
| Appears at: | Segmentation:10-13 somites (14.0h-16.0h) |
| Evident until: | Adult (90d-730d, breeding adult) |
| Ontology: | Anatomy Ontology [ZFA:0001611] |
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