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Fig. 1 | Journal of Experimental Orthopaedics

Fig. 1

From: On the heterogeneity of the femoral enthesis of the human ACL: microscopic anatomy and clinical implications

Fig. 1

Excised femoral attachment site from a right distal femur showing the location of the tissue sections (black lines) processed and prepared, as well as the location of the regions of interest defined for histological analysis. A: 20 %; B: 40 %; C: 60 %; D: 80 % of the width of the enthesis. 1: antero-superior; 2: antero-inferior; 3: postero-superior; 4: postero-inferior regions. Regions 1–2 corresponded to the origin of the antero-medial (AM) fibers; meanwhile regions 3–4 corresponded to the origin of the postero-lateral (PL) fibers

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