Fig. 3.

A–I Macroscopic appearance of the cartilage defect (dotted circle) healing at 3 months in three selected samples from each group; A, D, G (FG + MenSCs group), the defects exhibited well-integrated, glossy, white to tan new regenerated tissue. B, E, H (FG group), note to incomplete regenerative tissues that could be distinguished from the adjacent normal articular cartilage. C, F, I (control group), the defects were filled with heterogeneous tissue and were depressed below the host native cartilage