It is the opening for the small incisive canals (or foramina) that carry the nasopalatine nerves and branches of greater palatine arteries into the nasal cavity. The zygomatic bones are two facial bones that form the cheeks and the lateral walls of the orbits. The paranasal sinuses are cavities of various sizes that function to secrete mucous into the nasal cavity, lighten the skull, and resonate the voice. Palatine Bones are facial bones that are located between the palatine processes of the maxillary bones and the pterygoid processes of the sphenoid bones.

Bones of the Human Cranium and Face.