- 枢调控呕吐的部位有两个，一个是呕吐中枢，位于延髓；另一个是化学催吐感受区，位于第四脑室的最后区。呕吐信号要传递到中枢或刺激化学感受器则需要受体的帮助，最常见的受体有5-羟色胺（5-HT）受体、多巴胺受体、组胺受体等。如果阻断受体，就能止吐，激动受体，就能催吐。
阿扑吗啡是强效催吐剂，它
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摜蛋發牌機哪款最好@13710079688
摜蛋發牌機哪款最好@13710079688
摜蛋發牌機哪款最好@13710079688
摜蛋發牌機哪款最好@13710079688
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