研究设计：研究L5神经根受挤压伤后接受和不接受交感神经切除术时背根神经节（DRG）的疼痛表现和神经细胞的凋亡情况。
Study Design. An analysis of pain behavior and neuronal apoptosis in the dorsal root ganglion (DRG) following crush injury to the L5 nerve root, with or without surgical sympathectomy.
结论：从未退变的椎间盘分离的纤维环细胞能在体外分化为脂肪细胞、格根包尔氏细胞、软骨细胞、神经元及内皮细胞。
Conclusions Anulus fibrosus cells isolated from nondegenerative intervertebral discs can differentiate into adipocytes, osteoblasts, chondrocytes, neurons, and endothelial cells in vitro.
马迷走神经干上，从神经根起，到食管裂孔处，整个神经干全长均有细胞分布。
Cells are distributed on the whole length of the vagus nerve trunk of the horse, from the nerve root to the hiatus oesophagus.
一根GABA - IR阳性的神经纤维，在外毛细胞区可形成6 ~ 7个终末。
One GABA-IR positive nerve fiber could form synapse with 6-7 OHCs.
一根GABA - IR阳性的神经纤维，在外毛细胞区可形成6 ~ 7个终末。
One GABA-IR positive nerve fiber could form synapse with 6-7 OHCs.
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