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棘口吸虫(Echinostonta)的毛蚴和尾蚴 常常选择同一种螺蛳作中间宿主。作者对两者在寻找宿主的过程中所需的信号产生了兴趣。通过对经螺蛳处理过的水(snail—condi—tioned water,SCW)的组分分析研究螺的排泄-分泌物中的信号物质对毛蚴和尾蚴发现
Echinostonta miracidia and cercariae often choose the same snail as an intermediate host. The authors are interested in the signals they need in their search for the host. The discovery of miracidia and cercariae by studying the signal components of the excretion-secretion of snail-condi-tioned water (SCW)