Surface Movement in the First Cleavage Stage of Newt Eggs(Developmental Biology)
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概要
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In order to examine the surface movement of Cynops eggs in the first cleavage stage, small carbon particles were attached to mark the surface of the animal hemisphere of uncleaved fertilized eggs. The behavior of particles was observed in wide-scopic view over the whole animal half, or analysed in detail in relation to the surface-relaxation and the surface-contraction waves. The wide-scopic observation showed that the particles slightly shifted toward the animal pole shortly before the first cleavage. This shifting began first near the animal pole, extending toward the equatorial region. Detailed analysis of the particle movement revealed a surface change detected as stretching and shrinkage phenomena propagating from the animal pole toward the equator.
- 社団法人日本動物学会の論文
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関連論文
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