. The cell in development and inheritance. Cells. C D Fig. 27. — The prophases of mitosis (heterotypical form) in primary spermatocytes of Sahimandra. [Meves.] A. Early segmented spireme; two centrosomes outside the nucleus in the remains of the attraction-sphere. B. Longitudinal splitting of the spireme, appearance of the astral rays, disin- tegration of the sphere. C. Early amphiaster and central spindle. D. Chromosomes in the form of rings, nuclear membrane disappeared, amphiaster enlarging, mantle-fibres developing. from the cytoplasm, and to that view, in a modified form, he still adheres
. The cell in development and inheritance. Cells. C D Fig. 27. — The prophases of mitosis (heterotypical form) in primary spermatocytes of Sahimandra. [Meves.] A. Early segmented spireme; two centrosomes outside the nucleus in the remains of the attraction-sphere. B. Longitudinal splitting of the spireme, appearance of the astral rays, disin- tegration of the sphere. C. Early amphiaster and central spindle. D. Chromosomes in the form of rings, nuclear membrane disappeared, amphiaster enlarging, mantle-fibres developing. from the cytoplasm, and to that view, in a modified form, he still adheres. Flemming ('82), on the whole, inclined to the opinion that the achromatic figure arose inside the nucleus, yet expressed 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, Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectcells, bookyear1911
