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. 2022 Oct 19;10:944828. doi: 10.3389/fbioe.2022.944828

FIGURE 3.

FIGURE 3

Comparison of HP (top) and HFL (bottom including zoom in) by Masson’s trichrome staining (A), Sirius red staining (B), immunohistochemistry for Type 1 collagen (C), electron microscopy (D) and collagen quantification (N = 4 donors × three samples from each donor leading to n = 12 specimens analyzed for each tissue) (E). C: cambial layer, F: fibrous layer, L: longitudinal layer, T: transverse layer, HP: human periosteum, HFL: human fascia lata. Black scale bars: 100 µm. Yellow scale bars: 500 µm. Red scale bars: 5 µm. **** p < 0.0001.