Metabolism of aldrin by the freshwater planarian Phagocata gracilis.
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Biomedical subjects
Publications and source records attributed to S Post.
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It is often desirable to delineate the areas of autoradiograms where accumulations of silver grains are observed in order to establish topographic landmarks. This is prevented by either bright field or dark field illuminatiated photographs, where the topography of the silver grains is neglected despite the high resolution obtainable by autoradiography, but may be done by taking advantage of a modification of dark field illumination thus generating an additional bright field effect. This modification also enables to correlate selective histochemical reaction sites with the area of silver grain accumulation.
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Light microscopic autoradiography was performed subsequent to injection of tritiated amino acids into various parts of the amygdaloid body of the rat. Evidence is provided for two hitherto unreported projections of the amygdala: from the medial amygdaloid nucleus to the contralateral premamillary nuclei and from the central amygdaloid nucleus to the mesencephalic central grey. The functional implications of these findings are discussed.
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