Archive image from page 49 of The development of the frog's. The development of the frog's egg; an introduction to experimental embryology . developmentoffro00morg Year: 1897 G H 13. — Seg'ineutation of egg (two, eight, sixteen, and thirty-two cell stages, after I. Sehultze). as seen from above. A. Two-cell stajre: Ijesiinning of second fur- rows. B. Eiiiht-eell stage, with cross-furrow. C, D. F, G. Sixteeu-cell stages. E. Eight-cell stage (regular type). H. Thirty-two-cell stage. or karyokinetic division. Half of the chromatin passes to one pole of the nuclear spindle, and the other ha

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Archive image from page 49 of The development of the frog's. The development of the frog's egg; an introduction to experimental embryology . developmentoffro00morg Year: 1897 G H 13. — Seg'ineutation of egg (two, eight, sixteen, and thirty-two cell stages, after I. Sehultze). as seen from above. A. Two-cell stajre: Ijesiinning of second fur- rows. B. Eiiiht-eell stage, with cross-furrow. C, D. F, G. Sixteeu-cell stages. E. Eight-cell stage (regular type). H. Thirty-two-cell stage. or karyokinetic division. Half of the chromatin passes to one pole of the nuclear spindle, and the other half to the other pole. As the spindle elongates, it carries with it the surrounding pig-

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