. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIGURE 3. Types of regenerates obtained from l/8th pieces of 14-16 mm. animals pre-treated with colchicine for two days. Whole animals and pieces maintained at 21-23° C. High percentages (28-44) of heteromorphic forms also appeared. In general, these were similar to those found in the first series but with the addition of a 5th type which had regenerated two heads at each end of the piece (Fig. 3). At D level more than 50 per cent of these forms had 3 or 4 heads. DISCUSSION AND. CONCLUSIONS This work has shown that certain c
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIGURE 3. Types of regenerates obtained from l/8th pieces of 14-16 mm. animals pre-treated with colchicine for two days. Whole animals and pieces maintained at 21-23° C. High percentages (28-44) of heteromorphic forms also appeared. In general, these were similar to those found in the first series but with the addition of a 5th type which had regenerated two heads at each end of the piece (Fig. 3). At D level more than 50 per cent of these forms had 3 or 4 heads. DISCUSSION AND. CONCLUSIONS This work has shown that certain concentrations of colchicine markedly in- hibit regeneration and regulation to normal body form in planarians. It has shown that the degree of inhibition was roughly proportional to the concentration. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
