has part has part characteristic of part of inheres in part of has modifier Abnormality of the face Abnormal midface morphology Abnormal morphology of the midface An anomaly of the midface, which is a region and not an anatomical term. It extends, superiorly, from the inferior orbital margin to, inferiorly, the level of nasal base. It is formed by the maxilla (upper jaw) and zygoma and cheeks and malar region. Traditionally, the nose and premaxilla are not included in the midface. Deformity of the midface Anomaly of the midface Abnormality of the midface HP:0000309 Malformation of the midface UMLS:C4021811 HP:0430026 morphology abnormal midface