浙江华溪蟹 meaning in English
sinopotamon chekiangense
Examples
- In this paper , the comparison of spermatogenesis and spermatozoal ultrastructures of four species of decapoda were investigated by electron microscopy ( tem ) . we had tried to find structural variaton between the four species during their spermatogenesis . from this comparison study , we can pursue the evolution route of the four decapods
本论文采用透射电镜技术比较研究十足目( decapoda )物种浙江华溪蟹( sinopotamonchekiangense ) 、三疣梭子蟹( portunus , trituberculatus ) 、脊尾白虾( exopalarmoncarinicandaholthuis )及罗氏沼虾( macrobrachiumrosenbergii )的精子发生和精子结构。 - Mitochondria and ribosomes are hard to see , and the ribosome are found to adhere on the surface of endoplasmic reticulum ; golgi body and lysosome do not exist , membranous ring emerges at the secondary spermatocyte stage . the organelles change into pre - acrosome vesicles at middle spermatid stage , and finally pre - acrosome forms acrosome . 2
浙江华溪蟹在生精细胞阶段,染色质形态相似,呈不同程度凝集状,核仁在精原细胞期出现;精细胞阶段,染色质分化成纤丝状和致密块状,部分核质延伸入辐射臂内,整个核呈浅杯状。