. The cell in development and inheritance. Cells. Fig. 175. — Embryos of the earthworm Allolobophora fmtida, showing leloblasts or apical cells. A. Gastrula from the ventral side. B. The same from the right side; m. the terminal telo- blasts or primary viesoblastsM^^^'^ bud forth the mesoblast-bands, cell by cell; /. lateral teloblasts, comprising a neuroblast, nb, from which the ventral nerve-cord arises, and two ncphroblasts, n, of somewhat doubtful nature, but probably concerned in the formation of the nephridia. C. Lateral group of teloblasts, more enlarged, the neuroblast, itb, in divisio
. The cell in development and inheritance. Cells. Fig. 175. — Embryos of the earthworm Allolobophora fmtida, showing leloblasts or apical cells. A. Gastrula from the ventral side. B. The same from the right side; m. the terminal telo- blasts or primary viesoblastsM^^^'^ bud forth the mesoblast-bands, cell by cell; /. lateral teloblasts, comprising a neuroblast, nb, from which the ventral nerve-cord arises, and two ncphroblasts, n, of somewhat doubtful nature, but probably concerned in the formation of the nephridia. C. Lateral group of teloblasts, more enlarged, the neuroblast, itb, in division; n. the nephroblasts. D. 1 he primary mesoblasts enlarged; one in division. figure results in an equal division ; an eccentric position caused by a radial movement of the mitotic figure, in the direction of its axis toward the periphery, leads to unequal division, and the greater 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