Figure 6

Scanning electron microscopic (SEM) photographs of the tibial cartilage. Collagen fibers in regions uncovered by menisci (A, C, E, G) and in those covered by menisci (B, D, F, H). Superficial layer (A–D). Middle layer (E–F). Deep layer (G–H). Scale bars 10 μm (A, B) and 2 μm (C–H).