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本实验证明,脑室注射乙酰胆碱可同时减弱中脑网状结构和丘脑束旁核痛兴奋神经元的痛放电和加强痛抑制神经元的痛放电。这表明,脑内乙酰胆碱增加具有抗伤害性效应,阿托品可以消除上述作用。
This experiment shows that intracerebroventricular injection of acetylcholine can both weaken the midbrain reticular structure and paraventricular nucleus pain excitatory neurons of the pain discharge and pain inhibition neurons pain discharge. This suggests that increased acetylcholine in the brain has an antinociceptive effect and that atropine may eliminate this effect.