当研究人员在中脑导水管周围灰质内植入电极并且进行刺激时，这些小东西立刻开始奔逃并且不受控制地跳动。

When neuroscientists put electrodes into the periaqueductal gray region of rat brains and stimulated the neurons there, the creatures immediately started to run and jump uncontrollably.

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目的：分析K物质在大鼠中脑导水管周围灰质中参与痛觉调制的作用，揭示内源性镇痛系统的神经递质机制。

AIM: To analyze the effect of substance K on pain modulation in the periaqueductal gray (PAG) of rats and indicate the neurotransmitter mechanism in endogenous analgesia system.

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目的：探讨大鼠中脑导水管周围灰质(PAG)内NO在应激性高血压(SIH)发病中的作用。

Aim: To study the role of NO in the midbrain periaqueductal gray (PAG) in the development of stress induced hypertension (SIH).

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目的：探讨大鼠中脑导水管周围灰质(PAG)内NO在应激性高血压(SIH)发病中的作用。

Aim: To study the role of NO in the midbrain periaqueductal gray (PAG) in the development of stress induced hypertension (SIH).

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