在其他一些情形中，人们也许不能有效控制他们的中脑导水管周围灰质和其他的中脑部区域。
In other cases, people may not be able to keep their periaqueductal gray and other midbrain regions under control.
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.
不过，小脑扁桃体和中脑导水管周围灰质是大脑的两个古老原始的区域，可以追溯到亿万年前。
But the amygdala and the periaqueductal gray are ancient parts of the brain, dating back hundreds of millions of years.
结论对于因导水管狭窄、后颅窝和中脑占位引起的梗阻性脑积水患者ETV有很好的效果。
Conclusion ETV is an effective method treating obstructive hydrocephalus caused by aqueduct stenosis and occupying lesions in posterior cranial fossa and midbrain.
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.
应用神经束路追踪技术对大鼠孤束核（NTS）和最后区（AP）向中脑导水管周围灰质（PAG）的直接投射进行了观察。
The direct projections from the nucleus tractus solitarius (NTS) and area postrema (AP) to the periaqueductal gray (PAG) were investigated in the rat by using tract-tracing techniques.
脑积水的原因很多，除了脑脊液产生过多，也由吸收障碍或中脑导水管堵塞等引起。
Hydrocephalus, except for many reasons, also produce overmuch cerebrospinal fluid by absorption obstacles or midbrain aqueduct jams caused.
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).
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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