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Morphology of the gastrocnemius muscle in mice. The shape of the muscle changed following engraftment. Photographs showing the muscles of the injured mice at (A) 1 week and (B) 10 weeks post-transplantation. Photographs showing the muscles of a (C) vehicle-treated mouse, (D) tonsil-derived mesenchymal stem cell (T-MSC)-injected mouse, (E) T-MSC-derived myoblast-injected mouse, and (F) T-MSC-derived myocyte-injected mouse at 10 weeks post-transplantation.
