组家兔逐级压迫脊髓12周，复制慢性脊髓压迫过程。
The sac was gradually enlarged resulting in chronic spinal cord compression in Group C during 12 weeks.
采用慢性泛影葡胺胶囊逐级压迫建立慢性脊髓压迫动物模型，造成家兔第2腰髓节段的慢性压迫。
The membranous sac filled with urografin was applied to produce an animal model of chronic spinal cord compression (L 2).
目的观察大鼠坐骨神经慢性压迫损伤后脊髓背角浅层神经元超微形态变化。
Objective To observe the ultrastructure changes of sensory neurons in the spinal dorsal horn after chronic constriction injury (CCI) of the sciatic nerve in rats.
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