Research Article

Effect of Warm Acupuncture Combined with Bone Marrow Mesenchymal Stem Cells Transplantation on Cartilage Tissue in Rabbit Knee Osteoarthritis

Figure 4

Histological evaluation. (A) representative photomicrographs of toluidine blue staining (×100) of the rabbit cartilage tissue of knee joint. (a) Blank group; (b) KOA group; (c) warm acupuncture (WA) group; (d) BMSCs group; (e) warm acupuncture combined with BMSCs group. (B) Effects of warm acupuncture combined with BMSCs on ultrastructural alterations in cartilage cells of knee joint (20000x magnification; bar = 1000 nm).
(a)
(b)