part of part of premaxilla skeletal element projection premaxilla articular process articular process of the premaxilla Pharyngeal arch bone immediately posterior to the ascending process, the medial surface of which articulates with the anterior end of the maxillary. The change from a premaxilla in which the ascending and articular processes are separate to one in which they are firmly united has occurred many times in higher teleosts. - Gosline, 1987 (Jaw Structures and Movements in Higher Teleostean Fishes) UBERON:4500016 Laura M Jackson