不愈合和结构移植物表面上愈合发生空难性的失败。
Failure to heal and catastrophic failure of seemingly healed structural grafts occur.
结论离心管培养软骨具有独特的超微结构，可作为关节软骨和生长板的移植物。
Conclusion cartilage cultured in centrifuge tube has unique ultrastructure and may be used as graft materials for articular cartilage and growth plate.
结论：该方法所制备的去细胞神经移植物神经膜管结构保存完好，有良好的组织相容性，可能成为自体神经移植的替代材料。
CONCLUSION: the acellular nerve grafts possess well-conserved structure of neurilemma tube and excellent histocompatibility, and is the possible replaced material for autologous nerve graft.
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