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Histological evaluation of regenerated tendon at 2 and 4 weeks after injection with saline, CPA, and C- and T-UC MSCs. a H&E staining of tendon (magnification; × 100). b The total degeneration score and detailed parameters. c Inflammation at the tendon defect. d Density, nuclear aspect ratio, and nuclear orientation angle of fibroblasts in the tendon. Bar charts represent mean ± standard deviation; statistically significant at p < 0.050
