The objective is to observe the distribution of nerves containing neuropeptide Y in cloaca wall of Alligator sinensis.

目的是观察含神经肽 Y 在扬子鳄泄殖腔壁内的分布情况。

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People who produce lower amounts of the brain molecule neuropeptide Y (NPY) had "measurably stronger brain responses to negative stimuli and psychological responses to physical pain," the study said.

可检查结果显示，易产生能调节食欲和压力的少量脑分子神经肽Y的人，大脑对消极刺激的反应和身体对生理疼痛的反应都比较强烈。

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The new trial, which involves 15 volunteers aged 25 to 45, is designed to investigate how well the spray and neuropeptide Y work in the brain, and the effects will be compared with a placebo.

新的试验包括调查15个25—45岁的志愿者，喷剂和神经肽Y在大脑中如何运作，效果将跟一种安慰剂进行对比。

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Scientists have long known that a hormone called neuropeptide Y is a major appetite regulator - if animals fast, the amount of NPY increases and stimulates appetite.

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