has characteristic has characteristic synostosis congenital radioulnar synostosis https://github.com/monarch-initiative/mondo/issues/4069 https://github.com/monarch-initiative/mondo/issues/4521 https://github.com/monarch-initiative/mondo/issues/6751 https://github.com/monarch-initiative/mondo/issues/6876 https://www.malacards.org/card/radioulnar_synostosis https://www.malacards.org/card/radioulnar_synostosis_nonsyndromic proximal, smooth fusion of 2-6 CM between the radius and ulna and absent head of the radius MEDGEN:57861 UMLS:C0158761 HP:0002974 icd11.foundation:1098526181 MESH:C562408 Orphanet:3269 Congenital radioulnar synostosis is a rare bone disorder that may be isolated or associated with other disorders and that is characterized by failure of segmentation of the radius and ulna during embryological development, causing limited rotational movements of the forearm, which may lead to difficulties with some activities of daily living. DOID:9827 SCTID:33313004 ICD9:755.53 radioulnar synostosis GARD:0010876 MONDO:0017985 radio-ulnar synostosis radio-ulnar synostosis type 1 radioulnar synostosis (disease) radioulnar fusion radial-ulnar synostosis congenital