Definitions for laminectomy
surgical removal of the bony arches on one or more vertebrae
The surgical procedure to remove the bony arch or lamina from one or more vertebrae.
Origin: From lamina + -ectomy
U.S. National Library of Medicine
A surgical procedure that entails removing all (laminectomy) or part (laminotomy) of selected vertebral lamina to relieve pressure on the SPINAL CORD and/or SPINAL NERVE ROOTS. Vertebral lamina is the thin flattened posterior wall of vertebral arch that forms the vertebral foramen through which pass the spinal cord and nerve roots.