Diskectomy. This surgery removes the damaged part of a disk in the spine. A diskectomy can relieve the pressure caused by a herniated disk. Laminectomy. This surgery removes the back part of a spinal bone to make more room for the spinal cord and nerves. Fusion. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.