| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Craniosynostosis Philadelphia type (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 4 | 
| Curry Jones syndrome | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 6 | 
| Capra DeMarco syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 8 | 
| Filippi syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 6 | 
| Craniofrontonasal dysplasia with Poland anomaly syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 5 | 
| Cloverleaf skull with multiple congenital anomalies syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 8 | 
| Cloverleaf skull with multiple congenital anomalies syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 9 | 
| Filippi syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 4 | 
| Cloverleaf skull with multiple congenital anomalies syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 7 | 
| Schilbach Rott syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Radioulnar synostosis with developmental delay and hypotonia syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Blepharophimosis, ptosis, esotropia, syndactyly, short stature syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 5 | 
| Radioulnar synostosis with amegakaryocytic thrombocytopenia syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 5 | 
| Congenital chorioretinal coloboma of bilateral eyes (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 4 | 
| Faciocardiorenal syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 5 | 
| Syndactyly, telecanthus, anogenital and renal malformation syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 7 | 
| Saethre-Chotzen syndrome | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Hypotrichosis and intellectual disability syndrome Lopes type (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Syndactyly, telecanthus, anogenital and renal malformation syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 4 | 
| Acardiacus anceps | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| cryptodidymus | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 2 | 
| Parasitic twin of asymmetrical conjoined twins (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 2 | 
| Acardius | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Gastrothoracopagus dipygus | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Sirenomelus (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Mesoaxial synostotic syndactyly with phalangeal reduction syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Thoracodidymus | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Monocephalus tripus dibrachius | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Syncephalus | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Katadidymus | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Heterodymus | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Cephalothoracopagus (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Deradelphus | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Monocephalus | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| cryptodidymus | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Parasitic twin of asymmetrical conjoined twins (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Anakatadidymus | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Omphaloangiopagus | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Pygomelus | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Gastrothoracopagus | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Monocephalus tetrapus dibrachius | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Thoracoparacephalus | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Pygodidymus | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Autositic twin of asymmetrical conjoined twins (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| cephalodymus | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Polysomia (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Posterior fusion of lumbosacral vertebrae and blepharoptosis syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 2 | 
| Janiceps | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Polysyndactyly and cardiac malformation syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Polysyndactyly and cardiac malformation syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 2 | 
| Janiceps | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 2 | 
| Splenogonadal fusion | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 4 | 
| Splenogonadal fusion, limb defect, micrognathia syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 6 | 
| Splenogonadal fusion, limb defect, micrognathia syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 8 | 
| Occipitalization of atlas (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Camptobrachydactyly (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 6 | 
| Banki syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Duplication of eyebrow and syndactyly syndrome | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Duplication of eyebrow and syndactyly syndrome | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 4 | 
| acrocefalopolysyndactylie type 4 | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 4 | 
| Summitt-syndroom | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 4 | 
| Congenital chorioretinal coloboma of left eye (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Congenital chorioretinal coloboma of right eye (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Simple syndactyly of toes of bilateral feet (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 2 | 
| Simple syndactyly of toes of bilateral feet (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Tibio-fibular synostosis | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Repair of syndactyly | Direct morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Correction of syndactyly of fingers using skin graft | Direct morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Correction of syndactyly of fingers using skin expander | Direct morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Correction of complicated syndactyly | Direct morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Correction of syndactyly with skin flap | Direct morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Correction of syndactyly with skin flap and graft | Direct morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Repair of syndactyly with skin graft (procedure) | Direct morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 2 | 
| Isolated congenital syngnathia (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Syndactyly type 6 | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Craniodigital syndrome and intellectual disability syndrome | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 2 | 
| Symbrachydactyly | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 2 | 
| Symbrachydactyly of digit of hand (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| familiaire synostose van sutura lambdoidea | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Crossed polysyndactyly (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 2 | 
| Hallux varus, preaxial polysyndactyly syndrome | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Ectodermal dysplasia syndactyly syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 2 | 
| Polysomia (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Duplication of eyebrow and syndactyly syndrome | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Splenogonadal fusion, limb defect, micrognathia syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Acropectoral syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Summitt-syndroom | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 2 | 
| Klippel-Feil sequence | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 3 | 
| Progressive non-infectious anterior vertebral fusion (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Constriction ring of upper limb with acrosyndactyly and amputation | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Saethre-Chotzen syndrome | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 2 | 
| Simple syndactyly of toes second to fourth web | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Simple syndactyly of toes of bilateral feet (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Acrocephalosyndactyly type I | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 2 | 
| High assimilation pelvis | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Antley-Bixler syndrome | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 5 | 
| Antley-Bixler syndrome | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 6 | 
| Thoracoparacephalus | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Faciocardiorenal syndrome (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Gastrothoracopagus dipygus | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 | 
| Acrocephalopolysyndactyly type II (disorder) | Associated morphology | False | congenitale afwijkende fusie | Inferred relationship | Some | 1 |