Effect of the supernatant from cultural rat hippocampus cells (HCS), hippocam-pal extract (HE) and injection of panax quinquefoium soponin (PNS) into the hippocampus on immunopotent cells was studied.

本研究探讨了大鼠海马培养上清、海马提取物及海马内注入PNS对免疫细胞增殖反应的影响。

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Animal studies have found that physically active animals have better memories and more cells in their hippocampus.

动物研究已经发现，身体活跃的动物拥有更好的记忆，而且它们的海马状突起有更多细胞。

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A new rodent study shows that newborn neurons destabilize established connections among existing brain cells in the hippocampus, a part of the brain involved in learning and memory.

一个新的啮齿动物研究表明，新生神经元使海马体中脑细胞已有的连结变得不稳定，而海马体是大脑中关于学习和记忆的部分。

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The researchers do not know why these cells have this defence, but other nearby cells in the hippocampus do not.

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These receptors are usually found in particularly high density in the cells of the hippocampus that are most vulnerable to the effects of Alzheimer's disease.

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About 5, 000 labelled cells were found in each hippocampus.

ECONOMIST: Neuroscience (2)