圆田螺 meaning in English
cipangopaludina cathayensis
cipangopaludina chinensis
Examples
- In present study , we found that cipangopaludina chinensis has two kinds of sperm , one is the viable typical sperm , and the other is the unviable atypical sperm
结果表明：中国圆田螺的精子具有双态现象，即既有可育的典型精子，又有不育的异型精子。 - The typical sperm of cipangopaludina chinensis , having spiral nucleus , long and spiral mitochondrion and a large number of glycogen granules , belongs to the modified sperm
中国圆田螺典型精子是一种修饰型精子，含有螺旋状的细胞核，拉长并螺旋的线粒体和大量的糖原颗粒物质。 - Many foreign scholars and a few chinese scholars have studied the ultrastructure of the mature sperm and spermatogenesis of gastropod ; however , nobody has studied the ultrastructure of the mature sperm and spermatogenesis of cipangopaludina chinensis
关于腹足类软体动物精子和精子发生的超微结构，国内研究甚少，国外研究较多；但有关中国圆田螺精子和精子发生的超微结构的研究，尚未见报道。 - In view of its high economic values , the author studied the ultrastructure of the mature sperm and spermatogenesis of cipangopaludina chinensis in order to supply the basic materials of the reproductive biology of cipangopaludina chinensis
鉴于其较高的经济价值，作者运用光镜、电镜和细胞化学方法，对中国圆田螺成熟精子和精子发生的超微结构进行研究，以期为中国圆田螺的繁殖生物学研究提供基础资料。 - According to the changes of the structure of chromatin and the morphology of cell , the process of the typical spermatogenesis of cipangopaludina chinensis can be divided into five stages : spermatogonium , primary spermatocyte , secondary spermatocyte , spermatid and mature sperm
中国圆田螺典型精子发生时，根据染色质和细胞形态的变化，可将其发生分为以下五个时期：精原细胞、初级精母细胞、次级精母细胞、精细胞和成熟精子。