| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire lamina of vertebra | Is a | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier |  | 
| Structure of lamina of lumbar vertebra | Is a | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier |  | 
| Structure of lamina of cervical vertebra | Is a | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier |  | 
| Structure of lamina of thoracic vertebra | Is a | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier |  | 
| Biopsy of lamina of vertebra | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Excision of lamina of vertebra | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 | 
| Partial laminectomy | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Laminotomy | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier |  | 
| Laminotomy for decompression and exploration | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier |  | 
| Decompression laminectomy | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Gill operation | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 | 
| Reopening of laminectomy or laminotomy site | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Laminectomy for implantation of neurostimulator electrodes, subdural | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Creation of lumbar shunt including laminectomy | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Laminectomy for implantation of neurostimulator electrodes, spinal cord | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Laminectomy | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Laminectomy with excision of herniated intervertebral disc, nucleus pulposus | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Hemilaminectomy for decompression and exploration | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier |  | 
| Creation of lumbar subarachnoid-pleural shunt with laminectomy | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Creation of lumbar subarachnoid-peritoneal shunt with laminectomy | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Laminectomy for implantation of neurostimulator electrodes, endodural | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of spinal pseudomeningocele with laminectomy | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 | 
| Creation of lumbar subarachnoid shunt with laminectomy | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Hemilaminectomy | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Laminectomy site reopening | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Part of lamina of vertebra | Is a | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier |  | 
| Exploratory cervical laminectomy | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 3 | 
| Exploratory thoracic laminectomy | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Exploratory lumbar laminectomy | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 | 
| Laminectomy with spinal fusion | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 | 
| Excision of lamina of vertebra | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Laminectomy with excision of intraspinal lesion | Procedure site | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Biopsy of lamina of vertebra | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Exploratory cervical laminectomy | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 3 | 
| Exploratory thoracic laminectomy | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 3 | 
| Exploratory lumbar laminectomy | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 3 | 
| Laminectomy with excision of intraspinal lesion | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 | 
| Excision of lamina of vertebra | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Decompression laminectomy | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Gill operation | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 | 
| Laminectomy with spinal fusion | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 | 
| Reopening of laminectomy or laminotomy site | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Laminectomy for implantation of neurostimulator electrodes, subdural | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Laminectomy for implantation of neurostimulator electrodes, spinal cord | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Laminectomy with excision of herniated intervertebral disc, nucleus pulposus | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 | 
| Laminectomy for implantation of neurostimulator electrodes, endodural | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of spinal pseudomeningocele with laminectomy | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 | 
| Hemilaminectomy | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Laminectomy site reopening | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Excision of lamina of vertebra | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Excision of lamina of vertebra | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Gill operation | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 | 
| Reopening of laminectomy or laminotomy site | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Laminectomy for implantation of neurostimulator electrodes, spinal cord | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Laminectomy for implantation of neurostimulator electrodes, endodural | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Decompression laminectomy | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of spinal pseudomeningocele with laminectomy | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 | 
| Hemilaminectomy | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Laminectomy site reopening | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Biopsy of lamina of vertebra | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Laminectomy for implantation of neurostimulator electrodes, subdural | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Laminectomy with spinal fusion | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 | 
| Excision of lamina of vertebra with transection of spinal accessory nerve | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Excision of lamina of vertebra with release of tethered lumbar spinal cord | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Revisional hemilaminectomy for decompression of lumbar spine | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Excision of lamina of vertebra with transection of spinal accessory nerve | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Excision of lamina of vertebra with release of tethered lumbar spinal cord | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Creation of lumbar shunt including laminectomy | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 | 
| Fenestration of lamina of vertebra | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Fenestration of lamina of vertebra | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Excision of lamina of vertebra and intervertebral disc | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 | 
| Hemilaminectomy for decompression and exploration | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Hemilaminectomy for decompression and exploration | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 | 
| Fenestration excision of intervertebral disc | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 | 
| Fenestration excision of cervical intervertebral disc | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 | 
| Primary fenestration excision of lumbar disc | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 | 
| Primary hemilaminectomy and decompression of lumbar spine (procedure) | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Revisional hemilaminectomy decompression of lumbar spine | Procedure site - Direct | False | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 1 | 
| Revisional laminectomy for decompression of lumbar spine | Procedure site - Direct | True | Structure of lamina of vertebra | Inferred relationship | Existential restriction modifier | 2 |