. The germ-cell cycle in animals . Cells. CHROMOSOMES AND MITOCHONDRIA 281 small, transparent, slightly refringent granules of a pale gray tint, either homogeneous or else vesicular with fluid contents and a thin, denser, refringent periphery. Rod-like mitochondria were likewise observed by Montgomery (1911) in the living male germ cells of Euschistus (Fig. 78, A-B) which had been teased out in Ringer's solution; and this in-. Fio. 78. — Division of mitochondria. A-B. Mitochondrial rods divid- ing during first maturation division in Euschistus. C. Stages in division of mitochondrial body in Hy
. The germ-cell cycle in animals . Cells. CHROMOSOMES AND MITOCHONDRIA 281 small, transparent, slightly refringent granules of a pale gray tint, either homogeneous or else vesicular with fluid contents and a thin, denser, refringent periphery. Rod-like mitochondria were likewise observed by Montgomery (1911) in the living male germ cells of Euschistus (Fig. 78, A-B) which had been teased out in Ringer's solution; and this in-. Fio. 78. — Division of mitochondria. A-B. Mitochondrial rods divid- ing during first maturation division in Euschistus. C. Stages in division of mitochondrial body in Hydromctra. D. Simultaneous division of micronucleus and mitochondria in Carchesium {in vivo). {A-B, from Montgomery, 1911; C, from Wilke, 191S; D, from FaurS-Frimict, 1910.) vestigator concluded that in preserved material "we have been working with images that are very close to the living. ..." More recently Lewis and Lewis (1914) have made careful studies of mitochon- dria in living cells from chick embryos. Granules were here seen "to fuse together into rods or chains, and these to elongate into threads, which in turn anastomose with each other and may unite into a complicated network, which in turn may again break down into threads, rods, loops, and ; Even more remarkable are the movements within 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 Hegner, Robert William, 1880-1942. New York : The Macmillan Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectcells, bookyear1914
