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Histologic (safranin O/fast green) and vascular examination of medial menisci after meniscus repair in the peripheral region and treatment with hyaluronan. A, a coronal section of a specimen showing meniscus healing with a small surface gap (arrow) and normal distribution of glycosaminoglycans after meniscus repair. B, an upper view of a specimen showing that perimeniscal capillary plexus reached the injured/repaired region (arrow).
