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Figure 2


Fig. 2. cnox-2+ cells are cycling cells in intact hydra. (A-F) cnox-2+ (dark blue) and BrdU-labeled (green) cells detected in the body column (A-C) and the apex (D-F) after 2 (A,D), 24 (B,E) or 48 hours (C,F) continuous BrdU incubation. Arrows indicate i-cells and nematoblasts, arrowheads neurons. (G,H) Percentage of gastric (G) and apical (H) BrdU+/cnox-2+ cells (n=10). Scale bar: 40 µm. ic, single i-cell; 2ic, pairs of i-cells; nb, nematoblast; ne, neuron.