Fig. 1.
Photomicrographs of neuromuscular junctions (NMJs) observed in the plantar muscle of Wistar rats, referring to the 22nd postoperative day. Longitudinal section, nonspecific esterase. Control (A), lesion (B), sericin (C), swimming (D), and sericin and swimming (E, F). Observe the NMJ polymorphism.