| Name: | pharyngeal arch 1 |
|---|---|
| Synonyms: | mandibular arch, visceral arch 1 |
| Definition: | The first pharyngeal arch, also known as the mandibular arch, forms the jaw. The first pharyngeal arch gives rise to elements of the jaw, with the most anteriorly positioned cranial neural crest cells contributing to mandibular arch structures, including Meckel's and palatoquadrate cartilages that constitute the lower and upper jaw respectively. |
| Ontology: | Anatomy Ontology [ZFA:0001612] |
| Name: | myoblast |
|---|---|
| Synonyms: | myoblasts |
| Definition: | An embryonic (precursor) cell of the myogenic lineage that develops from the mesoderm. They undergo proliferation, migrate to their various sites, and then differentiate into the appropriate form of myocytes. |
| Ontology: | Anatomy Ontology [ZFA:0009025] |