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Journal of Experimental Orthopaedics
Fig. 13 | Journal of Experimental Orthopaedics

Fig. 13

From: Articular cartilage delamination at eight years following cellular-based repair procedures: a case reports

Fig. 13

Safranin-O/Fast Green shows the presence of matrix proteoglycans in the middle and deep zones. Tidemark is also adjacent to subchondral bone (1). Haematoxylin–Eosin staining, where an organized cartilage tissue with a regular and smooth surface is seen (2). Immunohistochemistry with Collagen II is positive in the middle and deep zones, both in the extracellular and cellular (3). Collagen I is negative, except for some areas (4). All cuts demonstrate delamination the above tidemark. 475 × 317 mm.2 (144 × 144 DPI)

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