. The cell; outlines of general anatomy and physiology. Fig. 33.—Pigment cell of the Pike, withtwo nuclei, and one pole corpuscle, sur-rounded by a radiation sphere. (AfterSolgar, Fig. 2.) B. Fig. 36.—A Nucleus of an endothelial cell from the peritoneum of a Salamander* larva,with the pole corpuscle lying near (after Flemming, Fig. 2). B Nucleus of a con-nective tissue cell from the peritoneum of a Salamander tarua, with the pole corpuscle lyingnear (after Flemming, Fig. 4). Van Beneden (II. 52) first advanced the theory that the centralcorpuscle, like the nucleus, is a constant organ of each
. The cell; outlines of general anatomy and physiology. Fig. 33.—Pigment cell of the Pike, withtwo nuclei, and one pole corpuscle, sur-rounded by a radiation sphere. (AfterSolgar, Fig. 2.) B. Fig. 36.—A Nucleus of an endothelial cell from the peritoneum of a Salamander* larva,with the pole corpuscle lying near (after Flemming, Fig. 2). B Nucleus of a con-nective tissue cell from the peritoneum of a Salamander tarua, with the pole corpuscle lyingnear (after Flemming, Fig. 4). Van Beneden (II. 52) first advanced the theory that the centralcorpuscle, like the nucleus, is a constant organ of each cell, and that itmust be present in the cell in some portion of the protoplasm nearthe nucleus. The property possessed by the central corpuscle ofbeing able to multiply itself by spontaneous division (ride ) seems to be in support cf the first part of this view, as is alsothe role it plays in the process of fertilisation (vide Chap. VII. 1) ;but the second portion of this theory, although it is very generallyaccepted, that the central corpuscle belongs to the protoplasm,appears to me, on the contrary, less certainly true. 58 THE CELL I have for some time held the opinion, wh
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