. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 116 W. A. ANDERSON AND W. R. ECKBERG. FIGURE 13. Decondensing sperm nucleus showing a stage slightly later than that in Figure 11. The sperm nuclear membrane remains vesiculated and the chromatin is decondensing uniformly throughout the nucleus. Bar = 1 ^m. FIGURE 14. Fully decondensed sperm nucleus, without a nuclear envelope, in association with lipid granules (L). Bar = nm. FIGURE 15. Fully-decondensed sperm nucleus showing association with lipid granules (L) and a vesiculated nuclear envelope (arrows). Bar = /*m.
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 116 W. A. ANDERSON AND W. R. ECKBERG. FIGURE 13. Decondensing sperm nucleus showing a stage slightly later than that in Figure 11. The sperm nuclear membrane remains vesiculated and the chromatin is decondensing uniformly throughout the nucleus. Bar = 1 ^m. FIGURE 14. Fully decondensed sperm nucleus, without a nuclear envelope, in association with lipid granules (L). Bar = nm. FIGURE 15. Fully-decondensed sperm nucleus showing association with lipid granules (L) and a vesiculated nuclear envelope (arrows). Bar = /*m. FIGURE 16. Male pronucleus showing annulate nuclear envelope (NE) and a dense nucleolus-like body (NLB) in the pronucleus. Bar = homology suggests similar function. We propose that these structures contain a eptor which initiates the acrosome reaction and is therefore analogous to the fucose-sulfate polysaccharide of sea urchin egg jelly (SeGall and Lennarz, 1979). Additional granules may initiate the acrosome reaction in supernumerary sperm (Eckberg and Anderson, 1983).. 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 Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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