Research Article

Long-Term Moderate Exercise Combined with Metformin Treatment Induces an Hormetic Response That Prevents Strength and Muscle Mass Loss in Old Female Wistar Rats

Figure 4

Histology, H&E. The images show the morphological analysis of the gastrocnemius muscle architecture in transversal sections. The presence of inflammatory infiltrates and the arrangement of muscle fibers in the different experimental groups were evaluated. The micrographs are representative images (20x amplification).