Fig. 4From: BM-MSCs differentiated to chondrocytes for treatment of full-thickness cartilage defect of the kneeHistological analysis of BM-MSCs differentiated to chondrocytes in Chondro-Gide Scaffold. a Complete scaffold stained with 2% toluidine blue showing GAG deposition, indicating the presence of hyaline cartilage producing chondrocytes. b Section of collagen membrane showing cells adhered to the periphery of the scaffold. Circle indicates section in aBack to article page