| 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: | mesenchymal cell |
|---|---|
| Synonyms: | mesenchymal cells |
| Definition: | A cell that normally gives rise to other cells that are organized as three-dimensional masses, rather than sheets. |
| Ontology: | Anatomy Ontology [ZFA:0009081] |