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Gender Differences in Elements of the Brain Regions

机译：大脑地区的元素的性别差异

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To elucidate whether there were gender differences in the brain regions or not, the authors investigated gender differences in both three white matters and eleven gray matters of human brains from a viewpoint of element contents. After ordinary dissections at Nara Medical University, Japan, were finished, both the white matters of the corpus callosum, anterior commissure, and fornix and the gray matters of the hippocampus, dentate gyrus, olfactory bulb and tract, caudate nucleus, putamen, globus pallidus, amygdaloid body, mammillary body, lateral geniculate body, pineal body, and superior colliculus were resected from the brains. The brain samples were treated with 99.5% ethanol three times to remove lipids. After incinerating with nitric acid and perchloric acid, seven element contents of Ca, P, S, Mg, Zn, Fe, and Na were determined by inductively coupled plasma-atomic emission spectrometry (ICPS-7500; Shimadzu, Kyoto, Japan). Significant gender differences in the elements were found in the following five brain regions: the Zn content of the anterior commissure; the Ca, P, and Zn contents of the olfactory bulb and tract; the S content of the dentate gyrus; the Ca content of the caudate nucleus; and the Ca and Zn contents of the lateral geniculate body. The physiological significance of their gender differences in these brain regions remains to be solved.
机译：为了阐明是否有在脑区或没有性别差异，作者研究了从的元素含量的观点在这两个三个白事项性别差异和人类大脑十一灰质。在奈良医科大学，日本普通解剖后，完成后，无论是胼胝体，前连合，穹窿的白质和海马齿状回，嗅球和道的灰质，尾状核，壳核，苍白球，杏仁体，乳头体，外侧膝状体，松果体，和上丘从大脑切除。大脑样品用99.5％乙醇三次处理，以去除脂类。用硝酸和高氯酸，CA，P，S，镁，锌，铁，和Na七个元素含量焚烧后，通过电感耦合等离子体 - 原子发射光谱法（;岛津制作所，京都，日本ICPS-7500）测定的。中的元素显著性别差异在以下五个脑区中发现：的前连合Zn的含量;嗅球和道的钙，磷，和Zn含量;齿状脑回的S含量;尾状核的Ca含量;和外侧膝状体的Ca和Zn含量。在这些脑区的性别差异的生理意义仍有待解决。

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