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. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 58 RICHARD A. BOOLOOTIAN AND ARTHUR C. GIESE PLATE II. FIGURE 8, hyaline hemocyte of Strongylocentrotus purpuratus. FIGURE 9, large spherical corpuscle of Dendraster FIGURE 10, red corpuscle of Heliometra glacialis. FIGURE 11, lobular corpuscle of Heliometra f/lacialis. FIGURE 12, hyaline plasma amebocyte of Poroniop- sis inflata. FIGURE 13, osmophilic cells of Dendraster exccntriciis (small dark oval units). Photomicrographs were taken at a magnification of 344 X and were enlarged subsequently. spherule ameboc
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 58 RICHARD A. BOOLOOTIAN AND ARTHUR C. GIESE PLATE II. FIGURE 8, hyaline hemocyte of Strongylocentrotus purpuratus. FIGURE 9, large spherical corpuscle of Dendraster FIGURE 10, red corpuscle of Heliometra glacialis. FIGURE 11, lobular corpuscle of Heliometra f/lacialis. FIGURE 12, hyaline plasma amebocyte of Poroniop- sis inflata. FIGURE 13, osmophilic cells of Dendraster exccntriciis (small dark oval units). Photomicrographs were taken at a magnification of 344 X and were enlarged subsequently. spherule amebocytes, vibratile corpuscles, eleocytes, and hyaline hemocytes (Figs. 1,2,4,5,6,7,8). The bladder amebocytes with large ectoplasmic extrusions and the filiform ame- bocytes are phagocytic. The eleocytes contain red spherules of echinochrome (Mac- Munn, 1885; Kuhn and Wallenfels, 1939). a common echinoid pigment which has been demonstrated in the three species of Strongylocentrotus. The colorless spherule amebocytes with spherical inclusions lack phagocytic power and move by extending broad round eruptive (guttata) pseudopodia. The fusiform corpuscles, which are few in number, have no known function. The hyaline hemocyte gives rise to an extracellular clot after disintegrating at the site of an injury. These disinte- grating cells resemble the colorless spherule amebocytes to a considerable degree and, as a result, may have escaped the observations of past investigators because most of their observations were made on fixed and stained material. The eleocytes have no known function, although several have been suggested by various investigators. Griffiths (1892) concluded that they are associated with oxygen transport as did Awerinzew (1911). Cuenot (1891) opposed this assump-. 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 ori
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology