| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Craniorachischisis | Finding site | False | Neural tube structure | Inferred relationship | Some | 3 | 
| Iniencephaly | Finding site | False | Neural tube structure | Inferred relationship | Some | 1 | 
| Spina bifida of sacral region (disorder) | Finding site | False | Neural tube structure | Inferred relationship | Some | 2 | 
| diastématomyélie | Finding site | False | Neural tube structure | Inferred relationship | Some | 2 | 
| Split spinal cord malformation (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Spina bifida of sacral region (disorder) | Finding site | False | Neural tube structure | Inferred relationship | Some | 5 | 
| diastématomyélie | Finding site | False | Neural tube structure | Inferred relationship | Some | 4 | 
| Known OR suspected fetal spina bifida with myelomeningocele affecting obstetrical care | Finding site | False | Neural tube structure | Inferred relationship | Some | 9 | 
| Myelocele with hydrocephalus | Finding site | False | Neural tube structure | Inferred relationship | Some | 9 | 
| Occult spinal dysraphism sequence | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| kyste neurentérique | Finding site | False | Neural tube structure | Inferred relationship | Some | 1 | 
| Hemimyelia | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Craniorachischisis | Finding site | True | Neural tube structure | Inferred relationship | Some | 1 | 
| Thoracic spina bifida without hydrocephalus - open | Finding site | True | Neural tube structure | Inferred relationship | Some | 1 | 
| Thoracic spina bifida with hydrocephalus | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Cervical spina bifida with hydrocephalus - open | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Sacral spina bifida without hydrocephalus - closed | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Spina bifida aperta of thoracic spine (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Spina bifida | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Faun tail syndrome | Finding site | True | Neural tube structure | Inferred relationship | Some | 1 | 
| Neuroenteric cyst and associated malformation | Finding site | False | Neural tube structure | Inferred relationship | Some | 1 | 
| Cervical spina bifida without hydrocephalus - closed | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Lumbar spina bifida without hydrocephalus - closed (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Rachischisis with hydrocephalus | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Thoracic spina bifida with hydrocephalus - closed | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Myelodysplasia of spinal cord | Finding site | True | Neural tube structure | Inferred relationship | Some | 1 | 
| Thoracic spina bifida without hydrocephalus - closed | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Holorachischisis | Finding site | False | Neural tube structure | Inferred relationship | Some | 1 | 
| Cervical spina bifida without hydrocephalus - open | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Neural tube defect | Finding site | True | Neural tube structure | Inferred relationship | Some | 1 | 
| Spina bifida with hydrocephalus of late onset | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Fissured spine with hydrocephalus | Finding site | False | Neural tube structure | Inferred relationship | Some | 3 | 
| Iniencephaly - closed | Finding site | True | Neural tube structure | Inferred relationship | Some | 1 | 
| Cervical spina bifida with hydrocephalus | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Iniencephaly - open | Finding site | True | Neural tube structure | Inferred relationship | Some | 1 | 
| Cervical spina bifida with hydrocephalus - closed | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Spina bifida aperta of lumbar spine (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| diastématomyélie | Finding site | False | Neural tube structure | Inferred relationship | Some | 3 | 
| Hydromyelia | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Exencephaly | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Cataract, congenital heart disease, neural tube defect syndrome (disorder) | Finding site | False | Neural tube structure | Inferred relationship | Some | 8 | 
| Split hand, obstructive uropathy, spina bifida, diaphragmatic defect syndrome (disorder) | Finding site | False | Neural tube structure | Inferred relationship | Some | 7 | 
| Spina bifida and hypospadias syndrome (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 4 | 
| Primary tethered cord syndrome | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Leptomyelolipoma (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 1 | 
| Spina bifida with hydrocephalus - closed | Finding site | True | Neural tube structure | Inferred relationship | Some | 1 | 
| Spina bifida without hydrocephalus - open | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Spina bifida with stenosis of aqueduct of Sylvius | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Lumbar spina bifida with hydrocephalus - open | Finding site | True | Neural tube structure | Inferred relationship | Some | 4 | 
| Spina bifida aperta of cervical spine (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Spina bifida of sacral region (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Lumbar spina bifida without hydrocephalus - open | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Sacral spina bifida without hydrocephalus - open (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Spina bifida of cervical region | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Hemimyelocele | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Spina bifida without hydrocephalus - closed | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Spina bifida of lumbar region | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Spina bifida without hydrocephalus | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Spina bifida with hydrocephalus | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Split hand, obstructive uropathy, spina bifida, diaphragmatic defect syndrome (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 4 | 
| Spina bifida aperta | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Myelocystocele | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Fissured spine | Finding site | False | Neural tube structure | Inferred relationship | Some | 2 | 
| Spina bifida occulta | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Spina bifida of dorsal region (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Lumbar myelocystocele | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Thoracolumbar spina bifida without hydrocephalus - closed | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Thoracolumbar spina bifida with hydrocephalus - closed | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Hydrorhachis | Finding site | False | Neural tube structure | Inferred relationship | Some | 1 | 
| Cataract, congenital heart disease, neural tube defect syndrome (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Sacral spina bifida with hydrocephalus - open (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 4 | 
| Spina bifida with hydrocephalus - open | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Lumbar spina bifida with hydrocephalus - closed | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Sacral spina bifida with hydrocephalus - closed (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Lumbar spina bifida with hydrocephalus | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Thoracic spina bifida with hydrocephalus - open | Finding site | True | Neural tube structure | Inferred relationship | Some | 1 | 
| Cervical myelocystocele (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Thoracic myelocystocele | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Myelocele with hydrocephalus | Finding site | True | Neural tube structure | Inferred relationship | Some | 1 | 
| Sacral agenesis, abnormal ossification of vertebral bodies, persistent notochordal canal syndrome | Finding site | True | Neural tube structure | Inferred relationship | Some | 1 | 
| Dandy-Walker syndrome with spina bifida | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| High lumbar myelomeningocele | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Low lumbar myelomeningocele | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| Myelomeningocele co-occurrent with hydrocephalus (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 3 | 
| hydromyéloméningocèle | Finding site | False | Neural tube structure | Inferred relationship | Some | 5 | 
| Lumbar meningomyelocele | Finding site | True | Neural tube structure | Inferred relationship | Some | 4 | 
| Myelomeningocele without hydrocephalus (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Lipomyelomeningocele | Finding site | False | Neural tube structure | Inferred relationship | Some | 3 | 
| Meningomyelocele (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 5 | 
| Thoracic meningomyelocele | Finding site | True | Neural tube structure | Inferred relationship | Some | 5 | 
| Cervical meningomyelocele | Finding site | True | Neural tube structure | Inferred relationship | Some | 4 | 
| Fetal spina bifida (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Meningomyelocele of lumbosacral spine (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 2 | 
| Neurenteric cyst (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 1 | 
| Structure of fetal neural tube | Is a | True | Neural tube structure | Inferred relationship | Some |  | 
| Cervicothoracic spina bifida aperta with hydrocephalus | Finding site | True | Neural tube structure | Inferred relationship | Some | 6 | 
| Cervicothoracic spina bifida aperta | Finding site | True | Neural tube structure | Inferred relationship | Some | 5 | 
| Lumbosacral spina bifida aperta | Finding site | True | Neural tube structure | Inferred relationship | Some | 6 | 
| Lumbosacral spina bifida aperta with hydrocephalus | Finding site | True | Neural tube structure | Inferred relationship | Some | 6 | 
| Thoracolumbosacral spina bifida aperta (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 8 | 
| Spina bifida aperta of upper thoracic spine (disorder) | Finding site | True | Neural tube structure | Inferred relationship | Some | 4 |