There were plenty of AChE positive fiber in hippocampus and corpus mamillare.

海马结构内含有大量胆碱酯酶阳性染色纤维。

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Focal ischemia also could raise the neurogenesis in hippocampus dentate gyrus.

局灶性脑缺血后亦可增加海马齿状回内神经发生。

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Objective To study the protective mechanism of melatonin on neurons in hippocampus.

目的探讨褪黑素对海马神经元保护作用的可能机制。

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Imaging studies on depressed humans show shrinkage in their hippocampus, a brain region involved in learning, memory and emotion that is also a region where much neurogenesis occurs.

FORBES: Think Happy

Earlier research showed that the neurons shrink in the hippocampus, and that seems to impair memory in response to stress, he said.

FORBES: Stress Can Shrink Your Brain

They also showed that injecting normal mice with extra ghrelin increased the number of synapses in the hippocampus - and improved the animals' performance in several learning and memory tests.

BBC: NEWS | Health | Hunger pangs 'may trigger memory'