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. 2024 Mar 21;37:191–205. doi: 10.1016/j.bioactmat.2024.03.008

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© 2024 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 6 — Histological analysis of the rat Achilles tendons. (A) Application of dual-layer EFMs without or with positively charged layer for tendon repair. (B) Gross observation of the degree of tendon adhesion on postoperative Day 21. (C) Visual assessment of peritendinous adhesion of the injured tendon. (D) HE staining images (green lines indicate areas without adhesion, yellow lines indicate adhesion areas). (E) Histologic evaluation of peritendinous adhesion. (F) Representative images of immunohistochemical staining of Col Ⅲ. (G) Quantitative analysis of Col Ⅲ expression in peritendinous tissue. (*P < 0.05, ***P < 0.0005, ****P < 0.0001).