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阿Q吧 > 简要说明阿托品新福林毒扁豆碱和毛果芸香碱对瞳孔的作用，说明它们的作用机理有什么差别

简要说明阿托品新福林毒扁豆碱和毛果芸香碱对瞳孔的作用，说明它们的作用机理有什么差别

2025-03-15 22:05:21

推荐回答（2个）

回答1：

阿托品新福林为M受体阻断药，对瞳孔的作用是散瞳，阿托品阻断虹膜扩约肌的M 受体使扩约肌松弛，而去甲肾上腺素能神经支配的虹膜辐射肌仍保持原有的张力，导致瞳孔散大。
毒扁豆碱和毛果芸香碱为M胆碱受体激动药，对瞳孔的作用是缩瞳，因虹膜内瞳孔括约肌受胆碱能神经支配，毒扁豆碱和毛果芸香碱激动瞳孔括约肌上的M受体，使瞳孔括约肌收缩，瞳孔缩小。

回答2：

兄弟,学药理不能这么搞啊!!!!!

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