Figure 7. In vivo regenerative cartilage H&E staining and immunohistochemical assay in different groups (n=3). (A–C) H&E staining magnification 10 times (bar 1000 μm). (D–F) Zoom square magnification x200; bar 50 μm. (G–I) Immunohistochemical assay magnification 10 times (bar 1000 μm). (J–L) Zoom square magnification x200; bar 50 μm.