A lumbar laminectomy is a surgical procedure often performed to relieve pressure on the spinal cord or nerves in the lower back. This pressure can be caused by conditions such as spinal stenosis, herniated discs, or degenerative changes in the spine. The aim of the surgery is to create more space within the spinal canal by removing a portion of the vertebral bone called the lamina, as well as any thickened ligament or disc material that might be compressing the neural structures. During the proc