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Electron-microscopic structure of protozoa . electronmicrosco00pite Year: 1963 Text-figure 15. Schematic drawing showing the organization of adoral membranelles of Stentor. C cilia; K kinetosomes; R root fibrils; Rbf, bundle of root fibrils from a single membranelle; Bf, zig-zag basal fiber. At right (ii) is shown the hexagonal arrangement of root fibrils and connectives as seen in cross-section at the level indicated. From Randall and Jackson, 1958.
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