脊柱
spinal column的复数
results: the location and types of spinal fracture, spinal three columns structure, narrowing of spinal canal, the areas of cross section of spinal canal, the nerve roots and spinal cord to be compressed by bone segments were exactly revealed on ct.
结果:CT检查能准确揭示其骨折部位,骨折类型,脊柱三柱结构,特别是椎管狭窄及椎管横截面积与骨片对神经根和脊髓的压迫影像。
selection pressure for this efficient style of locomotion favored longer and more flexible spinal columns.
受天择压力,他们朝向耗能较少的移动模式演化,因而脊椎柱更长,更灵活。
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