Following statement is true regarding first pharyngeal arch
The first branchial arch is closely related to the developing skull.it soon shows two subdivisions, called maxillary and mandibular processesRef: Human Embryology, Inderbir Singh, 10th edition, page no: 147
Maxillary and Mandibular prominences are formed by first arch
Maxilla and Zygomatic bone are formed by intermembranous ossification
Posterior belly of digastric is formed by first arch
Facial nerve is nerve supply of first arch
General anatomy