L3 laminectomy and L5-L6 facetectomy was performed under tracheal cannula anesthesia in rats, and then unfolded nerve roots, dorsal root ganglion and cauda coccygeal nerve at corresponding segment.
小鼠在气管插管麻醉下行l 5椎板切除术和L5 - L 6小关节切除术，然后显露相应节段的神经根，背根神经节和马尾神经。