cipangopaludina chinensis 中文意思是什麼
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Following with the condensing of chromatin, nucle us gradually elongates and spires. a large number of vesicles turn into glycogen granules behind mitochondria. the mature typical sperm of cipangopaludina chinensis, having monoflagella, consists of a spiral head with only one spiral buddle conformed of nucleus, a spiral middle piece with four s
中國圓田螺成熟典型精子單鞭毛，由頭、中、尾三段構成：頭段螺旋狀，旋束由細胞核構成，僅單股；中段也呈螺旋狀，旋束由線粒體構成，共四股；尾段非螺旋狀，主要由糖原顆粒構成。 -
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
關于腹足類軟體動物精子和精子發生的超微結構，國內研究甚少，國外研究較多；但有關中國圓田螺精子和精子發生的超微結構的研究，尚未見報道。 -
Cipangopaludina chinensis is a normal kind of freshwater gastropod and has high economic values because it can be food for people, which not only tastes well but also is high nutrient, and it can be the bait for some carnivorous fish and some omnivorous fish such as mylopharyngodon piceus and cyprinus carpio
中國圓田螺cipangopaludinachinensis是我國一種常見的可供食用的淡水螺，滋味鮮美，具有較高營養價值；同時它還是青魚、鯉魚等肉食性魚類和雜食性魚類的優良天然餌料，因而具有較高的經濟價值。 -
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
中國圓田螺典型精子發生時，根據染色質和細胞形態的變化，可將其發生分為以下五個時期：精原細胞、初級精母細胞、次級精母細胞、精細胞和成熟精子。 -
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
結果表明：中國圓田螺的精子具有雙態現象，即既有可育的典型精子，又有不育的異型精子。 -
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
中國圓田螺典型精子是一種修飾型精子，含有螺旋狀的細胞核，拉長並螺旋的線粒體和大量的糖原顆粒物質。 -
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
鑒于其較高的經濟價值，作者運用光鏡、電鏡和細胞化學方法，對中國圓田螺成熟精子和精子發生的超微結構進行研究，以期為中國圓田螺的繁殖生物學研究提供基礎資料。
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