| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Specified spinal cord NEC | Part of | False | Entire spinal cord, roots and ganglia | Inferred relationship | Some |  | 
| Spinal cord NEC | Part of | False | Entire spinal cord, roots and ganglia | Additional relationship | Some |  | 
| Specified spinal nerve root NEC | Part of | False | Entire spinal cord, roots and ganglia | Additional relationship | Some |  | 
| Spinal nerve root NEC | Part of | False | Entire spinal cord, roots and ganglia | Additional relationship | Some |  | 
| Entire spinal cord | Part of | False | Entire spinal cord, roots and ganglia | Additional relationship | Some |  | 
| Entire spinal nerve root | Part of | False | Entire spinal cord, roots and ganglia | Additional relationship | Some |  | 
| Spinal cord and nerve roots, CS | Part of | False | Entire spinal cord, roots and ganglia | Inferred relationship | Some |  | 
| Spinal cord and medulla, CS | Part of | False | Entire spinal cord, roots and ganglia | Inferred relationship | Some |  | 
| Entire spinal nerve ganglion | Part of | False | Entire spinal cord, roots and ganglia | Additional relationship | Some |  | 
| Structure of anterior lumbosacral spinal cord nerve root | Part of | False | Entire spinal cord, roots and ganglia | Additional relationship | Some |  | 
| Entire anterior lumbosacral spinal cord nerve root | Part of | False | Entire spinal cord, roots and ganglia | Additional relationship | Some |  | 
| Entire posterior lumbosacral spinal cord nerve root | Part of | False | Entire spinal cord, roots and ganglia | Additional relationship | Some |  | 
| Entire posterior spinal nerve root | Part of | False | Entire spinal cord, roots and ganglia | Additional relationship | Some |  | 
| Entire anterior spinal nerve root | Part of | False | Entire spinal cord, roots and ganglia | Additional relationship | Some |  | 
| Entire lumbosacral spinal cord nerve root | Part of | False | Entire spinal cord, roots and ganglia | Additional relationship | Some |  | 
| Posterior spinal nerve root structure | Part of | False | Entire spinal cord, roots and ganglia | Additional relationship | Some |  | 
| Spinal cord structure | Part of | False | Entire spinal cord, roots and ganglia | Inferred relationship | Some |  | 
| Lumbosacral spinal cord nerve root structure | Part of | False | Entire spinal cord, roots and ganglia | Additional relationship | Some |  | 
| Structure of posterior lumbosacral spinal cord nerve root | Part of | False | Entire spinal cord, roots and ganglia | Additional relationship | Some |  | 
| Anterior spinal nerve root structure | Part of | False | Entire spinal cord, roots and ganglia | Additional relationship | Some |  | 
| Spinal nerve root structure | Part of | False | Entire spinal cord, roots and ganglia | Additional relationship | Some |  |