Effects of Qi-Fang-Xi-Bi-Granules on Cartilage Morphology and C/ebpα Promoter Methylation in Rats with Knee Osteoarthritis

Figure 5

TUNNEL staining of knee joint tissue. (a) shows chondrocyte nucleus; (b) shows apoptotic nucleus; (c) shows cytoplasm of chondrocytes; (d) is a merge of (a), (b), and (c).