. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 0 mV/mm ± (111) 90 270. Figure 1. The translocation response of 56-h-old neural crest cells during a 2-h period in the indicated electric field strength. After tracing from a video screen the position of each cell before and after 2 hours in the field, the initial point was placed at the origin and the final location plotted as a single point on the circular graph. The radius of each circle represents 1 mm of translocation distance and the average cell length is 60 ^m. The applied field strength, average cosine of th
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 0 mV/mm ± (111) 90 270. Figure 1. The translocation response of 56-h-old neural crest cells during a 2-h period in the indicated electric field strength. After tracing from a video screen the position of each cell before and after 2 hours in the field, the initial point was placed at the origin and the final location plotted as a single point on the circular graph. The radius of each circle represents 1 mm of translocation distance and the average cell length is 60 ^m. The applied field strength, average cosine of the distribution plus or minus the standard error of the mean, and the number of cells plotted are indicated to the upper right of each distribution. A. 400 mV/mm. B. 10 mV/mm. C. 100 mV/mm. D. 0 mV/mm. with the shoulder of the response between 10 and 50 mV/mm. It has been reported that fish epidermal cells depend on Ca:+ influx to generate polarity of movement during galvanotaxis (Cooper and Schliwa, 1986b). Our investi- gations indicate that the same is true for avian neural crest cells. One cannot simply place these cells in a solu- tion of F12 medium in which all of the Ca:4 has been. 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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