. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ANTIMITOTIC SUBSTANCES FROM OVARIES 163 we were soon led to believe that the starfish ovary extract which had so drastic a liquefying action and so strong an antimitotic effect on invertebrate marine eggs, was rather powerless on vertebrate cells and tissues. The starfish ovary extract acts on starfish eggs, Chaetopterus eggs, eggs of the sea urchin Arbacia and eggs of the clam Spisula; but we found no very great antimitotic activity on frog eggs, and the antimitotic action of the extract on embryo mouse cells in tissue cult
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ANTIMITOTIC SUBSTANCES FROM OVARIES 163 we were soon led to believe that the starfish ovary extract which had so drastic a liquefying action and so strong an antimitotic effect on invertebrate marine eggs, was rather powerless on vertebrate cells and tissues. The starfish ovary extract acts on starfish eggs, Chaetopterus eggs, eggs of the sea urchin Arbacia and eggs of the clam Spisula; but we found no very great antimitotic activity on frog eggs, and the antimitotic action of the extract on embryo mouse cells in tissue culture was much less than that of ordinary commercial heparin. [The studies on tissue culture cells were made by Carol Bocher and were presented by her as a Master's thesis (Bocher, 1952).] Moreover, although ordinary heparin, or a breakdown 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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