| 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: | ossification |
|---|---|
| Synonyms: | bone biosynthesis, bone formation, osteogenesis |
| Definition: | The formation of bone or of a bony substance, or the conversion of fibrous tissue or of cartilage into bone or a bony substance. |
| Ontology: | GO: Biological Process [GO:0001503] QuickGO AmiGO |