maxillary tuberosity maxillary tuberosity at the lower part of the infratemporal surface of the maxilla is a rounded eminence, the maxillary tuberosity, especially prominent after the growth of the wisdom tooth; it is rough on its lateral side for articulation with the pyramidal process of the palatine bone and in some cases articulates with the lateral pterygoid plate of the sphenoid. maxillaryleft maxilla. outer surface. (maxillary tuberosity labeled at center right.)detailsidentifierslatintuber maxillaeta98a02.1.12.016ta2773fma57731anatomical terms of bone it gives origin to a few fibers of the medial pterygoid muscle.