part_of laminectomy L4/L5 spinous process resection 2024-12-12T14:31:41Z This is any condition in which the main influencing factor is L4/L5 spinous process resection, an experimental procedure done to induce lumbar spine mechanical instability (LSI) in laboratory animals. The process involves removing the spinous processes along with the supraspinous and interspinous ligaments from lumbar vertebrae L4 and L5. XCO:0001485 experimental_condition_ontology slaulederkind surgical removal of L4/L5 spinous processes