Nager’s acrofacial dysostosis /nā″gərz/ [Felix R. Nager, Swiss physician, 1877–1959; Gk, akron, extremity; L, facies, face; Gk, dys, bad, osteon, bone, osis, condition] , an abnormal congenital condition characterized by limb deformities such as radioulnar synostosis, hypoplasia, and the absence of the radius or of the thumbs. Also called dysostosis mandibularis. Compare cleidocranial dysostosis, craniofacial dysostosis, mandibulofacial dysostosis.
