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Left: macroscopic view on a lateral meniscus (b). The defect is filled with a cell-free polyurethane scaffold (a) 6 weeks after implantation. Right: microscopic view; DMMB staining of the cell-free polyurethane scaffold (a) and surrounding meniscus tissue (b = avascular part; c = vascular zone) 6 weeks after implantation. Unilateral integration on the left side and no integration on the right side. Benchmark for both figures: bar = 2 mm.
