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September 20, 1941


JAMA. 1941;117(12):1036. doi:10.1001/jama.1941.02820380058025

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To the Editor:—  In order to set at rest the minds of any other readers who may have seen our preliminary report of "Magnification of Spermatozoa by Means of the Electron Microscope" in The Journal, May 31, we would refer to certain points in a communication recently appearing in one of the issues of The Journal making reference to this article.The essential things pointed out in the preliminary report are that the structures described were viewed under a magnification of twenty-seven thousand diameters and can therefore not be compared with the microscopic anatomy formerly recognized at two or three thousand diameters by the use of an oil immersion lens. Furthermore, the sperm described in the article appeared to be "pear shaped" and the irregularity at the vertex of the head seemed to suggest the possibility of the presence there of a "distinct organ." Future studies with the same or

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