acrosome造句

• Capacitation of acrosome ; process of pregnancy
  精子获能;妊娠的过程。
• Effects of acrosome reaction on mammalian sperm by coomassie blue g - 250 staining
  考马斯亮蓝染色评价哺乳动物精子顶体反应发生的效果
• Detection of human sperm morphology and acrosome reaction with coomassie brilliant blue staining
  考马斯亮蓝染色法检测人精子形态和顶体反应
• These imply the bsp proteins have important functions in sperm lipid metabolism , sperm capacitation and acrosome reaction
  目前在猪及马的精浆中也都发现了与bsp蛋白同源的蛋白质的存在。
• The location of the center tubule in the two species is different . in p . trituberculatus it locates at the top of the acrosome tubule , and in s . chekiangenser it locates at the base
  脊尾白虾边缘不翻卷，核为泡状核和丝状核，棘突由具等距横纹的纤丝组成，较长。
• There are two forms of nucleus in the e . carinicanda sperm : fibrous and vesicular ones the sperm ultrastructures of the p . trituberculatus and s . chekiangense consist of nucleus cup , radial arm , acrosome
  2 .精子结构罗氏沼虾与脊尾白虾的精子结构相近，呈图钉状，由棘突、顶帽和精核组成。
• The head of spermatozoa contains a nucleus but no acrosome . the nuclear fossa developes well . during the process of spermtogenesis , within the nucleus the chromatin condenses step by step into wads , among which are loose chromatin fibers
  成熟精子头部无顶体，主要为核占据，精子形成过程中，细胞核中的染色质浓缩成致密的团块状，团块状的染色质之间分布着松散的纤维状染色质。
• Northern analysis revealed that p3galt - l was exclusively expressed in the brain while that p4galt - l was expressed highly in testis , moreover , sperm surface p4galt - l was suggested to play a significant role in signal transduction involving the acrosome reaction in the mouse . in the present study , we mainly detected the developmental expression and function of p - galactosyltransferases in mouse brain and testis . we first characterized the developmental expression of 3galt - l in mouse brain
  - 1 ， 3 -半乳糖基转移酶- 1 ( 3galt - 1 )主要在脑中表达，而- 1 ， 4 -半乳糖基转移酶- 1在睾丸中表达较高，且精子细胞表面的- 1 ， 4 -半乳糖基转移酶- 1在精卵结合后的顶体反应中发挥了重要的生理作用。
• 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。
• In order to investigate the role of mannose receptor ( mr ) of human sperm , the zona free hamster eggs were pre - incubated with purified mr ( pmr ) isolated from motile human sperm by mannose - agarose gel affinity chromatography . the ultrastuctural alteration and cortical granule exocytosis of the eggs were then observed by transmissian electron microscope and tritc - lca immunofluorescence microscope , respectively . the mice were immunized with pmr and the antiserum was raised . after capacitation and induction of the acrosome reaction , the human spermatozoa and oocytes were incubated with the antiserum . then the sperm penetration assay was undertaken
  为了进一步探讨人精于mr在精卵融合中的作用，本文采用改良后的甘露糖-琼脂糖凝胶亲和层析法分离纯化人精子mr ，并将提纯的人精子甘露糖受体( purifiedmannosereceptor , pmr )作用于去透明带的金黄地鼠卵母细胞，运用透射电子显微镜技术和罗丹明偶联的兵豆凝集素( tritc - lca )免疫荧光标记技术观察pmr对卵子的影响。
• 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。
• Objective the present study was to investigate the effects of endotoxin on capacitation and acrosome reaction ( ar ) of mouse , golden hamster and human sperm , on the sperm - oocyte fusion in mouse , and on the development of 1 - cell , 2 - cell and zona - free 2 - cell mouse embryos in vitro . the purpose was to definite the committed step and the mechanism during in vitro fertilization ( ivf ) on which endotoxin affected , and to distinguish the sensitivities to endotoxin of three developmental systems of mouse embryos . all these data would provide the reference to clinical and laboratory quality control
  目的研究内毒素对小鼠、金黄地鼠及人精子的体外获能和顶体反应、小鼠精卵结合及小鼠1 -细胞、 2 -细胞和去卵透明带2 -细胞胚胎体外发育的影响，探讨内毒素影响体外受精结局的环节及可能的机制，确定三个体外培养系统对内毒素的敏感性，以期为临床和实验室质量控制提供参考。
• Using indirect immuno - fluorescein staining method , the localization of sp - 10 , tmdc - iii and aeg on human , mouse , rabbit , pig , bull sperm was observed under confocomicroscopy . it was found that antigens sp - 10 and aeg express on acrosome of all kinds sperms , supporting their roles in sperm - egg fusion . it was firstly described that tmdc - iii express mostly on the equator , neck and some part of tail of human sperm , on the acrosome of mouse and bull sperms , on the acrosome and neck of pig sperm , on the head , neck , and middle piece , principal piece of tail of rabbit sperm
  利用间接免疫荧光法对aeg 、 sp - 10 、 tmdc -蛋白在人、小鼠、兔子、猪、牛精子上进行了精确定位， aeg 、 sp - 10在顶体部均有表达，确证了它们与精卵融合有关：首次对tmdc -蛋白在人、小鼠、兔子、猪、牛精子进行了精确定位，它主要存在于人精子尾部主段，小鼠和牛精子顶体，猪精子顶体和颈部，兔精子头部、颈部和尾部的主段及尾段。
• 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。