In the pathway of visceral nociceptive impulses ascending from GSN to ACG, some neurons might contain acetylcholine, and have M-receptor.
In the pathway of visceral nociceptive impulses ascending from GSN to ACG, some neurons might contain acetylcholine, and have M-receptor.
在内脏大神经传导的内脏痛觉冲动到达扣带回前部神经元的传入通路中存有胆碱能神经元，并通过M受体起作用。