. The cell in development and inheritance. Cells. GROWTH AND DIFFERENTIATION OF THE GERM-CELLS 169 some. The envelope of the middle-piece is here formed out of the general cytoplasm. In the mammals the recent work of Lenhossek on the rat ('98) and Meves on the rat, guinea-pig, and man (98, 99) gives a result agree- ing in its broader features with the forms already considered. In all these mammals the young spermatids are closely similar to those of the salamander, containing two peripherally placed centrosomes, from the outer one of which the axial filament grows out (Fig. 86). Meves. Please


. The cell in development and inheritance. Cells. GROWTH AND DIFFERENTIATION OF THE GERM-CELLS 169 some. The envelope of the middle-piece is here formed out of the general cytoplasm. In the mammals the recent work of Lenhossek on the rat ('98) and Meves on the rat, guinea-pig, and man (98, 99) gives a result agree- ing in its broader features with the forms already considered. In all these mammals the young spermatids are closely similar to those of the salamander, containing two peripherally placed centrosomes, from the outer one of which the axial filament grows out (Fig. 86). Meves. 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, bookdecade1900, booksubjectcells, bookyear1906