spermatocyte造句

• Differentiation of mouse spermatocytes to spermatids during in vitro culture
  小鼠精母细胞在体外分化为精子细胞
• Effects of two kinds of herbicides on chromosome aberration of spermatocytes in mice
  两种除草剂对小鼠精母细胞染色体畸变的影响
• During the period of primary spermatocytes , we can observe the synaptonemal complexes ( stc )
  在初级精母细胞时期，可看到联会复合体。
• The phosphorylation of cdc2 tyr15 was increased with the age in germ cells 3 . p70s6k was mainly in spermatocyte , sperm cell and sperm
  3 . p70s6k主要在精母细胞、精子细胞及精子中有所表达，在不同发育阶段细胞内的分布不同。
• 1 . spermatogenesis spermatogenesis can be devided into five stagesrspermatogonium , primary spermatocyte , secondary spermatocyte , spermatozon and sperm
  精子发生精子发生可分为精原细胞、初级精母细胞、次级精母细胞、精细胞、精子五个阶段。
• There was expression of cdc2 in nuclear and plasma of spermatogonia , primal spermatocyte , sperm cell , cdc2 also exists in sperm but is fewer than other cells
  Cdcz在精原细胞、初级精母细胞及精子细胞中的胞浆与胞核中均有表达，精子中也有所表达，但相对淡染
• A variety of biology events occur during spermatogenesis , such as self - renewal of spermatogonia , meiotic division of spermatocyte and the spermiogenesis of spermatid
  生精过程中发生了许多生物学的变化，如精原细胞的自我更新，精母细胞的减数分裂和精子细胞的变形。
• The nucleus has two forms at the middle spermatid stage : fibrous one and condensed one . the nucleus extends into the radial arm . the number of organelles keeps increasing until secondary spermatocyte stage
  与已有的报导不同的是，我们发现精原细胞分为两类，其中i类精原细胞经过分化形成n类精原细胞。
• 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。
• There are five developmental stages in the spermatogenesis , namely are primary spermatogonium , secondary spermatogonium , primary spermatocytes , secondaty spermatocytes and spermatids . the spermatids develop into sperm via the process of spermiogenesis . there exist cell junctions between two spermatids
  电子显微镜观察表明：大眼鳜的精子发生和形成过程，经历了初级精原细胞，次级精原细胞，初级精母细胞，次级精母细胞和精子细胞阶段。
• Except the incomplete maturation of spermatid nuclear and oocyte activation , idendification of a live spermatid is a pivotal procedure . it is difficult to distinguish round spermatids from other round cells such as spermatocytes , monocytes , polymorphonuclear leukocytes and so on
  除精子细胞的核蛋白不完全成熟及卵子激活不足等因素外，如何正确选择存活精子细胞是个难题，如圆形精子细胞与精母细胞、单核细胞和多形核白细胞等其他圆形细胞的区分就比较困难。
• The expression and activity of cdc2 in spermatogenesis cdc2 is emergent in 10 days primary spermatocyte , but the expression is at a low level because the testicles are not right in scrotum , which can lead the germ cells stop to grow , however , the expression of cdc2 begins to increase since 20 days , which can improve the meiosis . the expression is also showed in sperm , which is the end of meiosis . the data showed that the phosphorylation of cdc2 tryl5 in germ cells is increase with
  Cdcz场巧的磷酸化抑制cdcz的活性，它的磷酸化可以导致mpf复合物解离，使其失去生物活性，综合以上实验结果可以说明:在雄性小鼠生殖细胞发育过程中， cdcz在精原细胞、初级精母细胞及精子细胞中表达，随着翠丸组织中生殖细胞的不断成熟，生殖细胞中cdcz活性逐渐下降; cdcz在精子中同样存在，但已失去其生物活性。
• In the present paper , some investigations on loxoblemmus doenitzi ( gryllidae ) are reported . in order to discover the meiosis of spermatomeres and spermiogenesis , slice - pressing method and improved phenol - fuchsin dyeing method are used . in the course of meiosis , primary spermatocytes directly enter metaphase ii , not through telophase i and prophase ii
  本论文以直翅目、螽斯亚目、蟋蟀总科、蟋蟀科的多伊棺头蟋( loxoblemmusdoenitzi )为材料，采用压片法-改良苯酚品红染色，研究了精子发生过程中的减数分裂阶段和精子形成，发现初级精母细胞第一次减数分裂后不经过末期和前期直接进入中期。
• Nucleoli do not emerge in this process . the number of the organelles increase until secondary spermatocyte stage . mitochondria accumulate together , merging together with lysosomes and golgi bodies at the early spermatid stage , and finally the lamellar structure is formed , which forms the acrosome at last
  在精子发生过程中，线粒体、内质网和核糖体逐渐增多，其中线粒体数目在次级精母细胞阶段达到顶峰，并形成线粒体区，精细胞早期核内出现膜性泡结构，同时次级溶酶体与高尔基体大量存在，这些细胞器共同形成片层复合体，并参与顶体的形成。
• The testis development stages are determined according to cell ' s morphological characteristics , its size and number and the varying extent of chromatic agglutination . the development of testis may be divided into five stages : ( 1 ) multiplication of spermatogonium ; ( 2 ) growth of spermatocytes ; ( 3 ) maturation of spermatocytes : ( 4 ) initial appearance of spermatozoa ; ( 5 ) complete maturation of spermatozoa ? the reproductive seasons cover from march to april
  可根据各期细胞大小、数量多少、核染色质凝聚程度等将精巢的发育时期划分为精原细胞增殖期、精母细胞生长期、精母细胞成熟期、精子开始出现期、精子完全成熟期共5个时期。
• Nucleoli exist from spermatocyte stage to early spermatid stage . in this process , the numbers of ribosomes , mitochondrions and endoplasmic reticulums increase until secondary spermatocyte stage , golgi apparatus emerges at the secondary spermatocyte stage , and then , these organelles change into lamellar complex which finally forms the acrosome
  核糖体，线粒体和内质网等细胞器数量逐渐增多，到次级精母细胞阶段达到最大，在形成精子的过程中，上述细胞器与高尔基体及膜性泡共同分化或参与形成片层小体，并参与顶体的形成。
• The number of mitochondrion is more less than the endoplasmic reticulum , and the smooth endoplasmic reticulum is the main kind of the endoplasmic reticulum ; golgi bodies and lysosomes emerge in the secondary spermatocyte stage . finally , these organelles change into pre - acrosome vesicles which become acrosome at last . sinopotamon chekiangense during the spermatogenensis , chronmatins condense at different level until middle spermatid stage
  在整个发生过程中细胞器数量较少，内质网数目在各细胞器中所占比例最大，以滑面内质网为主，线粒体在初级精母细胞中最多，自次级精母细胞开始逐渐减少，高尔基体和溶酶体自次级精母细胞始出现，在发育过程中上述细胞器不断分化，在精细胞阶段形成前顶体腔，最后形成圆球形顶体。
• In postnatal 12 and ismonths testes , the number of postive cells persistently increased . in 24 months testes , some spermatocytes also displayed strong enos immunoreactivity . from 3 weeks to 3 months , the permeability of microvascular was on the trend of increase while it was on the trend of decrease from 12 months to 24 months . s . biood - testis barrier : the basal lamina of endothelium cells developed from thin , broken and unequal electronic density to thick , full and high electronic density with aging
  (巧1 ; 1 {性农i返_微1111扮通透性从3周龄至3月龄’ l ’增人趋势， 12月龄到24月龄纤微l阳粉通透性: ，减小趋仑5 .血梁屏障:随着增龄，毛细血怜内皮细胞的基膜由薄、断续、电子密度不均逐渐发展为基脱垮、完招、 .毯子密度较高而均匀，厚度逐渐增加。
• At the beginning , the cytoplasm is evently distributed , then it is polar - distribution and at last it only remains between the apical cap and the sperm nucleus . during the period of spermatogonium , chromatin in the nucleus is in the shape of conglomeration and the nucleus is big ( i . e . the proportion of the nucleus to cytoplasm is bigger than spermatocyte ) . at the stage of primary spermatocyte , chromatin accumulates to sc complexity . the nucleus of the mature sperm takes the shape of a plate and filmentous chromatins exist freely in uncondensed nucleus
  精子发生过程中，细胞器由少到多，到最后解体；细胞质从均匀分布，到精细胞期极性分布，最后残留于成熟精子的顶帽和精核之间；细胞核在精原细胞期，染色质异固缩，胞核大，即核质比大于后续的精母细胞；在初级精母细胞中，染色质凝聚为sc复合体，到成熟精子，精核呈碟状，染色质呈丝状游离于非浓缩的核中。
• 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。