Results Under optical microscope, the bone lacunae were in circular permutation around the Haversian canal, and the canaliculi communicated the lacunae and Haversian canal or between the lacunae.
结果在光学显微镜下，骨陷窝呈环状排列在哈佛管周围，骨小管沟通骨陷窝与哈佛管和骨陷窝之间的联系。
2
Conclusion: lumbar vertebral canalcircular decompression has the advantages of having definite objective, more thorough decompression and less influence upon the stability of lumbar vertebrae.