. The cell in development and inheritance. Cells. .60 SOME ASPECTS OE CELL-CHEMISTRY AND Y tion-sphere. The fate of such eggs was not determined, but they orm a complete demonstration that it is the centrosome and not the nucTeus that is the active centre of cell-division nr the cell-body. S arce y less conclusive is the case of dispermic eggs m sea-urchms_ In" ch e-s both sperm-nuclei conjugate with the egg-nucleus and In sucn e,,âs uou i cleavage-nucleus, both sperm-centrosomes divide (I^ig. ui^-, '"%,', =âsomes therefore arises by the union of thtrc nuclei and fow
. The cell in development and inheritance. Cells. .60 SOME ASPECTS OE CELL-CHEMISTRY AND Y tion-sphere. The fate of such eggs was not determined, but they orm a complete demonstration that it is the centrosome and not the nucTeus that is the active centre of cell-division nr the cell-body. S arce y less conclusive is the case of dispermic eggs m sea-urchms_ In" ch e-s both sperm-nuclei conjugate with the egg-nucleus and In sucn e,,âs uou i cleavage-nucleus, both sperm-centrosomes divide (I^ig. ui^-, '"%,', =âsomes therefore arises by the union of thtrc nuclei and fow centrosomes. Stl :;;;'nvaria&y divide at the first cleavage into four eqtjal b a - tomerereach of which receives one of the centrosomes. The lattci must, therefore, be the centres of division. The statement that the centrosome is an organ f° ^f â ^'â¢^⢠does not, however, express the whole '"''^ I '"â -/" '"^^^f^'t pigment-cells the astral system formed about it is deâ¢ted, a there is go^d reason to believe, not to cell-division, but to movements of the. 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 Wilson, Edmund B. (Edmund Beecher), 1856-1939. New York : The Macmillan company
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectcells, bookyear1896
