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xin de ben jia zuo an lei zhen tu yao
Author(s): 
Pages: 211-215
Year: Issue:  4
Journal: World Clinical Drugs

Keyword:  镇吐药化学刺激感觉性血脑屏障苯甲酰胺中枢神经系统循环血液呕吐中枢阿立必利运动失调;
Abstract: <正> 恶心和呕吐可能是由于内脏机能失调、化学刺激、放射及前庭输入功能(运动失调)等原因引起。对恶心和呕吐的生理学、药理学已经作了广泛的研究。参与内脏和中枢神经系统之间复杂的相互作用以及与呕吐有关的几个脑区已被确定。这些脑区的简单图解见图1。化学感受器触发区(CTZ)位于第Ⅳ脑室的底部,延髓的背面,这是大脑没有血脑屏障防卫的部分。因此CTZ是露置于循环血液和脑脊液中。CTZ具有感觉性感受器功能,并能将呕吐冲
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