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(一) 靜脉注射常山碱甲,乙,丙,洋地黃毒苷及口服硫酸銅能引起大部分鴿子嘔吐,多数是在30分鐘內催吐的,也有一部分在1/2—2 1/2小时間嘔吐,另有少数鴿子的催吐潜伏期超过2 1/2小时。 (二) 氯丙嗪使常山碱甲,乙,丙,洋地黃毒苷及硫酸銅在30分鐘內的鴿催吐率降低。实际上氯丙嗪并不能阻止上述各种催吐药的鴿催吐作用,它仅仅是把催吐作用推迟一些,即延長催吐的平均潜伏期。 (三) 本文又探討了常山碱及洋地黄毒苷鴿催吐作用的机制問題。
(i) Intravenous injection of Changshandi A, B, C, digoxigenin, and oral copper sulfate can cause most pigeons to vomit, most of them induce vomiting within 30 minutes, and some are within 1/2 - 2 1/2 hours Vomiting, and a few pigeons have an ejaculation latency of more than 2 1/2 hours. (ii) Chlorpromazine reduces pigeon spawning rate in the 30 minutes of Changshan A, B, C, digoxigenin and copper sulfate. In fact, chlorpromazine does not prevent the emetic effects of the various emetic drugs mentioned above. It merely delays the emetic effect by prolonging the average latency of emetic administration. (C) This paper also explored the mechanism of inducing vomiting effects of schistosomiasis and digitoxin.