He moved down the spine toward the tail, probing around each vertebra with the handle of his brush.
他拿着刷子，移向尾部脊椎，细细摸索。
2
On each side, a nerve root branches off and exits the spine through a space in the back of the vertebra called the foramen.
在每一侧，神经根从椎管分出，通过椎体后方的椎间孔离开脊柱。缴。
3
Aiming at solving the unsafety problem of milling vertebra wall in spine stenosis surgery a spine robot system based on force feed back control strategy is introduced.