| Lagrange disk | <microscopy> The exit pupil of the microscope, also called exit pupil, eyepoint and Ramsden circle or disk. (05 Aug 1998) |
|---|---|
| lumbar disk removal | A surgical procedure which is designed to relieve pressure on the spinal cord or nerve root that is being caused by a slipped or herniated disk in the lumbar spine. This procedure is also used in the treatment of spinal stenosis. This procedure includes removal of a portion of the bone comprising a vertebra. Recovery is generally 7-10 days. An alternative to this is a micro-disc surgery. (27 Sep 1997) |