アオガエル胚の卵黄嚢除去實驗

概要

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The present writer has already reported that the erythropoiesis in the mesonephros of the tadpole of Rana japonica is suppressed by the removal of the blood island. In this paper, the effects of the experimental removal of the yolk sac in young tadpoles of Rhacophorus schlegelii schlegelii (G.) have been presented. The results obtained are as follows: 1. The removal of the ectoderm of the yolk sac, which corresponds to the region of the blood island in Rana, suppresses the erythropoiesis in the mesonephros. Nevertheless it is doubtful that the ectoderm of this region is necessary for the erythropoiesis in the mesonephros, because the mesoderm of the region may be affected by the operation. 2. The removal of yolk or blood has no effect on the erythropoiesis in the mesonephros. 3. The erythropoiesis in the mesonephros has a special relation to the yolk sac, but not to the blood island.
社団法人日本動物学会の論文
1951-09-15