Fig. 4

 A, B Representative images of H&E staining of tendon tissues in the different groups at the 4th week and 8th week after treatment. Yellow arrow: immature fibrous tissue. Blue arrow: neovascularization. Pink arrow: mature fibrous tissue Black arrow: calcific foci. C, D Protein expression of SCX, TNMD and TNC in tendon tissues in the different groups in the 4th week and 8th week after treatment. E Immunohistochemical images of CD14⁺ cells F Quantitative analysis of C and D. G Quantitative analysis of E(n = 3, *p < 0.05, **p < 0.01, ***p < 0.001)