. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. OOPLASMIC SEGREGATION IN MEDAKA 121. Figure 6. Effects of nocodazole on ooplasmic segregation. (A) Control egg, tn = A large blastodisc has formed at the animal pole, and oil droplets have formed a cap over the vegetal hemisphere. (B) Egg treated with nM nocodazole. tn = The blastodisc is smaller than in the control egg, and most of the oil droplets, instead of moving toward the vegetal pole, have floated to the top of the egg ( toward the viewer, whose perspective is from above the egg) and coalesced i
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. OOPLASMIC SEGREGATION IN MEDAKA 121. Figure 6. Effects of nocodazole on ooplasmic segregation. (A) Control egg, tn = A large blastodisc has formed at the animal pole, and oil droplets have formed a cap over the vegetal hemisphere. (B) Egg treated with nM nocodazole. tn = The blastodisc is smaller than in the control egg, and most of the oil droplets, instead of moving toward the vegetal pole, have floated to the top of the egg ( toward the viewer, whose perspective is from above the egg) and coalesced into one large droplet there. Scale bar, 250 Mm. situation in control eggs, in which the male and female pronuclei were within 5 ^m of each other, the male and female pronuclei in colchicine-treated eggs were far apart ( ± urn; X ± , n = 8; Fig. 8E). Discussion All three microtubule poisons used in this study—col- chicine, colcemid. and nocodazole—affected the move- « o m ^ a> c JC u 175 150 125 100 75 50 25. 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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