A review is made of studies on whether we know with which eye we are seeing. The almost total failure to achieve chance results is ascribed to lack of control of convergence and it is shown that such control completely eliminates discrimination.
Ten frogs (Xenopus laevis) were injected with mixed bacteria to produce a septic peritonitis. Peritoneal inflammatory cells of eight animals were studied for monohydroxyeicosanoid and leukotriene production from exogenous arachidonic acid. Large amounts of 12-hydroxyeicosatetraenoic acid were produced; smaller amounts of 5- and 15-hydroxyeicosatetraenoic and leukotriene B4 were produced. Identifications were confirmed by retention times on HPLC, ultraviolet spectroscopy on all products, and gas chromatograph/mass spectrometry in the case of 12-hydroxyeicosatetraenoic acid.
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