Fig. 5From: Co-culture pellet of human Wharton’s jelly mesenchymal stem cells and rat costal chondrocytes as a candidate for articular cartilage regeneration: in vitro and in vivo studyH–E and Safranin-O/Fast Green staining of specimens. A H–E and Safranin-O/Fast Green staining of four groups at 4 weeks. B H–E and Safranin-O/Fast Green staining of four groups at 8 weeks. C H–E and Safranin-O staining/Fast Green of four groups at 12 weeks. Border: enlargement of area between implanted pellet and surrounding cartilage, osteochondral: enlargement of interface between implanted pellet and subchondral bone, center: enlargement of pellet centerBack to article page