Figure 5.

Electron microscopy in quadriceps femoris in naive and CIA animals. Irregularity of Z-bands (↑) and increases in the number of mitochondria (△) and small vesicles (▲) were observed in the CIA animal (B) in comparison with a naive animal (A). C is high magnification of the region enclosed in the square in B. (bar 2 μm).

Horai et al. BMC Musculoskeletal Disorders 2013 14:205   doi:10.1186/1471-2474-14-205
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