The cell in development and inheritance . ulation ; but after fixing and staining itappears as a mass of fine, closely crowded granules. This may indi-cate the existence of an extremely fine alveolar structure in life; buton the whole I believe that these granules are for the most part coagu-lation-products, since they cannot be demonstrated by staining intravitam, and they very closely resemble the coagulation-granules foundin structureless proteids like egg-albumin after treatment by the samereagents. In common with many other investigators, therefore, Ibelieve that protoplasm may in fact be
The cell in development and inheritance . ulation ; but after fixing and staining itappears as a mass of fine, closely crowded granules. This may indi-cate the existence of an extremely fine alveolar structure in life; buton the whole I believe that these granules are for the most part coagu-lation-products, since they cannot be demonstrated by staining intravitam, and they very closely resemble the coagulation-granules foundin structureless proteids like egg-albumin after treatment by the samereagents. In common with many other investigators, therefore, Ibelieve that protoplasm may in fact be homogeneous dozvn to thepresent limits of microscopical vision. One of the must beautiful forms of cyto-reticulum with which I 1 Cf. Biitschli, 92, 2, p. 169. THE CYTOPLASM 47 am acquainted has been described by Bolsius and Graf in the neph-ridial cells of leeches as shown in Fig. 19 (from a preparation byDr. Arnold Graf). The mesh work is here of great distinctness andregularity, and scattered microsomes are found along its threads. It.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectcells, bookyear1902
