(Downloading may take up to 30 seconds.
If the slide opens in your browser, select File -> Save As to save it.)
Click on image to view larger version.

Fig. 6. cnox-2+ cells in head-regenerating tips that have just
traversed the cell cycle. (A-C) Head-regenerating tips oriented
toward the top, showing increasing density of BrdU-labeled (green) and
cnox-2+ (red) cells, ultimately surrounding the mouth opening at 44
hpa (B,C). (D-F) Confocal views of
BrdU+/cnox-2+ apical cells (green/red), which
appear as asymmetrical pairs (D), differentiating processes (E, arrow) or
dividing i-cells (F). Hydra (Hv), BrdU-labeled before amputation,
were fixed at 20 hpa (A,D,E), 32 hpa (F) and 44 hpa (B,C). Scale bars: 10
µm. mo, mouth opening.