目的：探讨表皮生长因子受体（EGFR）信号转导在软骨内骨化中的作用。
To determine the role of epidermal growth factor receptor (EGFR) signaling in endochondral ossification.
别一方面，自体骨移植是通过连接段的软骨内骨化和移植表面的骨膜成骨愈合。
Autografts on the other hand heal by endochondral ossification at these interfaces, and by membranous bone formation along the graft surface.
结论：椎板再生是软骨内骨化的过程，并证实了椎板再生的方式是骨组织逐渐再生。
Conclusion: bone - regeneration after laminectomy is the process of endochondral ossification. The type of bone - regeneration is identified.
为观察软骨骺内次级骨化中心与软骨管的关系，及次级骨化中心初始形态结构。
To observe the correlativity between secondary ossification center and cartilage canals in cartilage epiphysis and the initial morphosis of the secondary ossification center.
结果1。裸鼠肌内注射后有异位成骨，其主要为软骨化骨。
Results (1) Heterotopic osteogenesis was found after intramuscular injection in nude mice, most of which were endochondral ossification.
结果1。裸鼠肌内注射后有异位成骨，其主要为软骨化骨。
Results (1) Heterotopic osteogenesis was found after intramuscular injection in nude mice, most of which were endochondral ossification.
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