Close proximity of mitotic figures to the inner muscle layer. Specimens were stained with DAPI (blue) and phalloidin (orange) A Sagittal section of scolex of tetrathyridium showing the dorso-ventral muscles anterior to the suckers (arrowhead). B, C, D. Close-ups of mitotic cells next to the inner muscle layer. cp, cortical parenchyma; iml, inner muscle layer; mp, medullary parenchyma; s, sucker. Arrows in all figures indicate mitotic cells. Bars represent 20 μm in A, and 10 μm in B, C and D.