has part has part characteristic of inheres in has modifier Small face Narrow face Thin face UMLS:C1849121 Decreased transverse dimension of face Decreased width of face Narrow facies Transverse insufficiency of face Decreased breadth of face Objective measurement of the upper facial width is made with spreading calipers. The tips of the calipers are passed over the zygomatic arches until the maximum width is determined. Objective measurement of the lower faces is made with spreading calipers, with the tips firmly pressed against the inferomedial surface of the angle of the mandible. HP:0000318 Transverse hypoplasia of face Horizontal hypoplasia of face Horizontal deficiency of face Transverse deficiency of face Thin facies Decreased horizontal dimension of face UMLS:C1837463 Bizygomatic (upper face) and bigonial (lower face) width are both more than 2 standard deviations below the mean (objective); or, an apparent reduction in the width of the upper and lower face (subjective). Horizontal insufficiency of face Narrow face HP:0000275 abnormal decreased width face