Final answer:
Arch 1, or the first pharyngeal arch, gives rise to skeletal structures including the maxilla and mandible, which form parts of the upper and lower jaws, respectively.
Step-by-step explanation:
Arch 1 Derivatives in the Skeletal System
The question relates to embryonic development and the skeletal structures that arise from the first pharyngeal arch, also known as Arch 1.
During embryonic development, Arch 1 gives rise to several skeletal structures in the human body. This arch is primarily responsible for forming maxillary and mandibular components.
The maxillary component gives rise to the upper jaw, which includes the maxilla and zygomatic bone, while the mandibular component develops into the lower jaw, which includes the mandible, some of the smaller bones associated with the ear, and the anterior portion of the tongue.
The first pharyngeal arch plays a crucial role in the development of these important craniofacial structures.
It is worth noting that the development of the facial bones and the base of the skull is mostly attributed to the process of endochondral ossification, a process by which cartilaginous precursors are ultimately replaced by bone.