. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIG. 26. "Amcebocyte with red spherules," Strongylocentrotns drobachiensis. cam. luc., X 1300. FIG. 27. "Amcebocyte with red spherules," S. franciscanus, cam. luc., X 1300. FIG. 28. "Amcebocyte with red spherules," Echinarachnius eccentricus, cam. luc., X 1300. FIG. 29. " Amoebocytc with yellow spherules," E. eccentricus, cam. luc., X 1300. 2. The "Amcebocytes with Spherules.'" There are two groups of "amcebocytes with spherules" present in the perivisceral fluid of
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIG. 26. "Amcebocyte with red spherules," Strongylocentrotns drobachiensis. cam. luc., X 1300. FIG. 27. "Amcebocyte with red spherules," S. franciscanus, cam. luc., X 1300. FIG. 28. "Amcebocyte with red spherules," Echinarachnius eccentricus, cam. luc., X 1300. FIG. 29. " Amoebocytc with yellow spherules," E. eccentricus, cam. luc., X 1300. 2. The "Amcebocytes with Spherules.'" There are two groups of "amcebocytes with spherules" present in the perivisceral fluid of the Echinoderms. One group of these is characterized by the presence of pigmented spherules in the cytoplasm and the other by colorless spherules. In both types the spherules fill the cytoplasm to such an extent the nucleus appears merely as a light space in the center of the cell. All of the "amcebocytes with spherules" are further characterized l>\ the presence of very blunt pseudopodia and when fluid con- taining them is allowed to stand they tend to assume a spherical shape. Amcebocytes containing red spherules were observed in the. 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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