Research Article

In Vivo Evaluation of Different Collagen Scaffolds in an Achilles Tendon Defect Model

Figure 8

Histological specimens of test material (first two rows) and control material (bottom two rows) obtained two and four weeks after surgery, respectively (HE-staining, original magnification 500x); bar in survey views: 500 μm; bar in detailed views: 100 μm. Sc: scaffold; Su: suture; AT: Achilles tendon; C: calcaneus, O: ossification.