FIG. 5.

Histological sections of osteochondral defects at 16 weeks after the operation. Sections were stained with safranin-O (A–C) and immunohistochemically stained with anti-type I (D–F) and anti-type II (G–I) collagen antibodies. Scale bar: 1 mm. (J) Histological scores at 16 weeks postoperatively (n = 5). Niederauer's histological scoring scale range: 0–28. Histological scores for GAG content (K) at 16 weeks postoperatively (n = 5). Scoring scale range: 0–3. Values are mean and SD. *p < 0.05. Color images available online at www.liebertpub.com/tec