| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire bone of vertebra (body structure) | Is a | True | Bone structure of vertebra | Inferred relationship | Some |  | 
| Structure of bone marrow of vertebra (body structure) | Is a | False | Bone structure of vertebra | Inferred relationship | Some |  | 
| Bone structure of thoracic vertebra | Is a | True | Bone structure of vertebra | Inferred relationship | Some |  | 
| Bone structure of lumbar vertebra | Is a | True | Bone structure of vertebra | Inferred relationship | Some |  | 
| Bone structure of cervical vertebra | Is a | True | Bone structure of vertebra | Inferred relationship | Some |  | 
| Sacral vertebra structure | Is a | True | Bone structure of vertebra | Inferred relationship | Some |  | 
| Internal fixation of bone of vertebra | Procedure site - Direct (attribute) | False | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Dorsolumbar spinal fusion with Harrington rod | Procedure site - Direct (attribute) | True | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Bone tissue of vertebra | Is a | False | Bone structure of vertebra | Inferred relationship | Some |  | 
| Coccygeal vertebra structure | Is a | True | Bone structure of vertebra | Inferred relationship | Some |  | 
| Bone structure of C7 | Is a | False | Bone structure of vertebra | Inferred relationship | Some |  | 
| Excision of transverse process of vertebra | Procedure site - Direct (attribute) | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Excision of pedicle of vertebra | Procedure site - Direct (attribute) | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Excision of vertebral body | Procedure site - Direct (attribute) | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Partial excision of vertebra of cervical region | Procedure site - Direct (attribute) | False | Bone structure of vertebra | Inferred relationship | Some | 3 | 
| Open reduction of fracture of spine and excision of facet of spine (procedure) | Procedure site - Direct (attribute) | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Partial excision of vertebra of thoracic region | Procedure site - Direct (attribute) | False | Bone structure of vertebra | Inferred relationship | Some | 3 | 
| Excision of vertebra | Procedure site - Direct (attribute) | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Excision of posterior elements of vertebra | Procedure site - Direct (attribute) | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Excision of lamina of vertebra | Procedure site - Direct (attribute) | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Facetectomy of vertebra | Procedure site - Direct (attribute) | False | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Excision of spinous process of vertebra | Procedure site - Direct (attribute) | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Excision of lesion of bone of vertebra | Procedure site - Direct (attribute) | True | Bone structure of vertebra | Inferred relationship | Some | 3 | 
| Removal of internal fixation device of vertebra | Procedure site - Indirect (attribute) | False | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Open reduction of fracture of spine and excision of facet of spine (procedure) | Procedure site - Direct (attribute) | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Removal of internal fixation device of vertebra | Procedure site - Indirect (attribute) | False | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Internal fixation of bone of vertebra | Procedure site - Direct (attribute) | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Facetectomy of vertebra | Procedure site - Direct (attribute) | False | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Reduction of spondylolisthesis and fusion | Procedure site - Direct (attribute) | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Reduction of spondylolisthesis and fusion | Procedure site - Direct (attribute) | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Congenital spondylolisthesis of cervical vertebra (disorder) | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Spondylolisthesis L5/S1 level | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Spondylolisthesis | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Acquired spondylolisthesis | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Congenital spondylolisthesis | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Chronic osteomyelitis of vertebra (disorder) | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Isthmic spondylolisthesis (disorder) | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Pedicular spondylolisthesis | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Spondyloptosis | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Spondylolisthesis, grade 3 | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Dysplastic spondylolisthesis | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Spondylolisthesis, grade 4 | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Degenerative spondylolisthesis | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Acute osteomyelitis of vertebra (disorder) | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Spondylolisthesis, grade 1 | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Creation of lumbar shunt including laminectomy | Procedure site - Direct (attribute) | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Retrolisthesis | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Spondylolisthesis, grade 2 | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Congenital spondylolisthesis of cervical vertebra (disorder) | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Spondylolisthesis, grade 4 | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Retrolisthesis | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Spondylolisthesis L5/S1 level | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Dysplastic spondylolisthesis | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Isthmic spondylolisthesis (disorder) | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Acquired spondylolisthesis | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Pedicular spondylolisthesis | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Spondyloptosis | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Spondylolisthesis, grade 1 | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Spondylolisthesis, grade 2 | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Congenital spondylolisthesis | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Degenerative spondylolisthesis | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Spondylolisthesis | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Spondylolisthesis, grade 3 | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Vertebral part | Is a | True | Bone structure of vertebra | Inferred relationship | Some |  | 
| Sarcoma of vertebra (disorder) | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Removal of implant from vertebra (procedure) | Procedure site - Indirect (attribute) | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Revision of internal fixation of vertebra | Procedure site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Congenital spondylolisthesis of cervical vertebra (disorder) | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 3 | 
| Congenital spondylolisthesis | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Neoplasm of vertebra | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Chronic osteomyelitis of vertebra (disorder) | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 4 | 
| Acute osteomyelitis of vertebra (disorder) | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 3 | 
| Structure of lumbosacral vertebrae | Is a | False | Bone structure of vertebra | Inferred relationship | Some |  | 
| Osteomyelitis of vertebra | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 3 | 
| Ankylosing vertebral hyperostosis with tylosis syndrome (disorder) | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 5 | 
| Cerebro-facio-thoracic dysplasia (disorder) | Finding site | False | Bone structure of vertebra | Inferred relationship | Some | 5 | 
| Ankylosing vertebral hyperostosis with tylosis syndrome (disorder) | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 4 | 
| Infection of vertebra (disorder) | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Spondylolisthesis without pars defect (disorder) | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Removal of internal fixation device of vertebra | Procedure site - Indirect (attribute) | True | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Fluoroscopy guided percutaneous insertion of vertebral craniocaudal expandable implants | Procedure site - Direct (attribute) | True | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Fluoroscopy guided percutaneous insertion of vertebral craniocaudal expandable implants | Procedure site - Indirect (attribute) | True | Bone structure of vertebra | Inferred relationship | Some | 3 | 
| Secondary osteoporotic fracture of vertebra | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Pathologic fracture of vertebra at site of neoplasm | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Osteoporotic fracture of vertebra | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Pathological fracture of vertebra | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Osteoporotic vertebral collapse | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Acquired spondylolisthesis | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Dysplastic spondylolisthesis | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Isthmic spondylolisthesis (disorder) | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Pedicular spondylolisthesis | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Degenerative spondylolisthesis | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Pathologic fracture of vertebra at site of neoplasm | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Transitional vertebra (disorder) | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Cerebro-facio-thoracic dysplasia (disorder) | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 2 | 
| Postaxial polydactyly, dental, vertebral anomalies syndrome | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Incomplete ossification of vertebra (disorder) | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Osteophyte of vertebra (disorder) | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 1 | 
| Structure of sacrococcygeal vertebrae | Is a | False | Bone structure of vertebra | Inferred relationship | Some |  | 
| Thoracolumbar vertebrae | Is a | False | Bone structure of vertebra | Inferred relationship | Some |  | 
| Osteomyelitis of vertebra | Finding site | True | Bone structure of vertebra | Inferred relationship | Some | 2 |