The normal anatomy the spine is preserved since the frontal approach takes advantage of normal tissue planes and does not require removal of any bone.

前路进入手术是利用正常的组织面，不需要去除任何骨结构；所以可以保留正常的脊柱解剖结构。

youdao

They want to scrape bits of tissue from planes, discover which birds are most often being struck, and thus work out which bird-migration routes to avoid.

ECONOMIST: Taxonomy