has part has part characteristic of inheres in has modifier Malar flattening Underdevelopment of malar bone Malar hypoplasia HP:0004671 HP:0000272 HP:0000332 Underdevelopment of the malar prominence of the jugal bone (zygomatic bone in mammals), appreciated in profile, frontal view, and/or by palpation. HP:0000312 Decreased size of malar bone HP:0100846 Zygomatic flattening HP:0005455 HP:0004642 Flat cheekbone The malar process is the most medial and superior portion of the bony midface, articulating with the maxilla and temporal and sphenoid bones, contiguous with the lateral boundary of the nasal bridge. The term malar hypoplasia is no longer preferred because surface examination cannot distinguish hypoplasia from hypotrophy. HP:0005443 Hypotrophic malar bone HP:0004658 HP:0005319 Depressed malar region Abnormal zygomatic bone morphology abnormal hypoplastic zygomatic arch