用组织切片法对扁额原细首纽虫周年性腺发育及受精过程进行了初步的研究。
The annual cycle of gonad development and the fertilization of the nemertean, Procephalothrix simulus, were studied by histological method.
扁额原细首纽虫在低盐介质中的体重变化表明了它能够根据环境的渗透压变化进行体积调节。
The trend of body weight changes in diluted media indicated that this nemertean is a volume regulator.
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