Figure 6From: Recombinant insulin-like growth factor-1 activates satellite cells in the mouse urethral rhabdosphincter New muscle cells were incorporated into muscle bundles after rIGF-1 injection. Skeletal muscle cells with central nuclei are present in the rhabdosphincter muscle bundles (arrows) which have differentiated from satellite cells. Cells with central nuclei were not detected in the controls.Back to article page