Nasal surface of the body of the maxilla Tags: Anatomical Structure, Bone.The nasal surface presents a large irregular opening leading into the maxillary sinus. At the upper border of this aperture are some broken air cells which in the articulated skull are closed in by the ethmoid and lacrimal bones. thumbnail Dorlands prefix f_01 Dorlands suffix 12352284 Gray page 158 Gray subject 38 Learn more... Loading...