Conclusion:Degeneration and regeneration may coexist in the denervated muscles.The regenerated musle cells can not fully develop due to the deficit of nerve regulation and degenerate again.

• 结论：失神经后肌细胞退变和再生同时存在，由于无神经支配，再生的肌细胞不能分化发育为成熟的肌纤维，而再发生退变。