pharyngeal arch 1

Term ID

ZFA:0001612

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. (3)

Appears at

Segmentation:10-13 somites (14.0h-16.0h)

Evident until

Adult (90d-730d, breeding adult)

References

• TAO:0001595

Figures

Ontology

Anatomy Ontology