Fig. 1From: Biomarkers for Duchenne muscular dystrophy progression: impact of age in the mdx tongue spared muscleCross sections of mid-belly tongue muscle. Young wild type (A), young mdx (B), old wild type (C), and old mdx (D) groups. In B, areas of fibrosis highlighted in blue by Masson’s trichrome (*). In C, muscle fibers with a central nucleus (arrow) and muscle fibers with a peripheral nucleus (arrowhead). Scale: 50 \(\mu\)mBack to article page