Fig. 4

Gross observation of the healing TBI. A A large amount of scar tissue around the Achilles tendon and TBI in the cortical and cancellous groups and capillaries were visible on the surface at 4 weeks and were relatively reduced at 8 weeks. B–D Comparison of the width, thickness, and cross-sectional area at the Achilles tendon junction between the two groups at weeks 4 and 8. *p < 0.05. **p < 0.01