Source:http://linkedlifedata.com/resource/umls/id/C0022983
MSH: 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.,CSP: excision of the posterior arch of a vertebra.,NCI: The excision of the vertebral posterior arch.