. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. JOHN C'ARRUTHERS FERGUSON. •22 FIGURE 17. Section through hemal septum making its lateral connections; PTA hema- toxylin. Note hemal channels (arrows) which open into perihemal canals (pc) and numerous amoebocytes, especially above hemal system; (rwc = radial water canal); 310 X. FIGURE 18. Section through ambulacral area showing lateral connections of the hemal septum with the wall of the transverse water canal (twc) and tube foot connective tissue layer; PTA hematoxylin (v = valve ; tf = tube foot; pc = perihemal canal) ;
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. JOHN C'ARRUTHERS FERGUSON. •22 FIGURE 17. Section through hemal septum making its lateral connections; PTA hema- toxylin. Note hemal channels (arrows) which open into perihemal canals (pc) and numerous amoebocytes, especially above hemal system; (rwc = radial water canal); 310 X. FIGURE 18. Section through ambulacral area showing lateral connections of the hemal septum with the wall of the transverse water canal (twc) and tube foot connective tissue layer; PTA hematoxylin (v = valve ; tf = tube foot; pc = perihemal canal) ; 100 X. FIGURE 19. PTA hematoxylin stained section showing lateral extension of the perihemal canals (arrow) ; 40 X. FIGURE 20. PTA hematoxylin stained section showing part of the juxtaposition of the perihemal canal and the perivisceral coelom (c). The peritoneum becomes thinner in this region (arrow) ; (a = ampulla ; tf =: tube foot) ; 310 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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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
