acrosome 中文意思是什麼

acrosome 解釋
頂角頂體
  1. 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

    利用間接免疫熒光法對aeg 、 sp - 10 、 tmdc -蛋白在人、小鼠、兔子、豬、牛精子上進行了精確定位, aeg 、 sp - 10在頂體部均有表達,確證了它們與精卵融合有關:首次對tmdc -蛋白在人、小鼠、兔子、豬、牛精子進行了精確定位,它主要存在於人精子尾部主段,小鼠和牛精子頂體,豬精子頂體和頸部,兔精子頭部、頸部和尾部的主段及尾段。
  2. 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

    目的研究內毒素對小鼠、金黃地鼠及人精子的體外獲能和頂體反應、小鼠精卵結合及小鼠1 -細胞、 2 -細胞和去卵透明帶2 -細胞胚胎體外發育的影響,探討內毒素影響體外受精結局的環節及可能的機制,確定三個體外培養系統對內毒素的敏感性,以期為臨床和實驗室質量控制提供參考。
  3. 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

    在精子發生過程中,線粒體、內質網和核糖體逐漸增多,其中線粒體數目在次級精母細胞階段達到頂峰,並形成線粒體區,精細胞早期核內出現膜性泡結構,同時次級溶酶體與高爾基體大量存在,這些細胞器共同形成片層復合體,並參與頂體的形成。
  4. 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

    在整個發生過程中細胞器數量較少,內質網數目在各細胞器中所佔比例最大,以滑面內質網為主,線粒體在初級精母細胞中最多,自次級精母細胞開始逐漸減少,高爾基體和溶酶體自次級精母細胞始出現,在發育過程中上述細胞器不斷分化,在精細胞階段形成前頂體腔,最後形成圓球形頂體。
  5. 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

    浙江華溪蟹在生精細胞階段,染色質形態相似,呈不同程度凝集狀,核仁在精原細胞期出現;精細胞階段,染色質分化成纖絲狀和緻密塊狀,部分核質延伸入輻射臂內,整個核呈淺杯狀。
  6. Effects of acrosome reaction on mammalian sperm by coomassie blue g - 250 staining

    考馬斯亮藍染色評價哺乳動物精子頂體反應發生的效果
  7. Detection of human sperm morphology and acrosome reaction with coomassie brilliant blue staining

    考馬斯亮藍染色法檢測人精子形態和頂體反應
  8. 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

    成熟精子頭部無頂體,主要為核占據,精子形成過程中,細胞核中的染色質濃縮成緻密的團塊狀,團塊狀的染色質之間分佈著鬆散的纖維狀染色質。
  9. 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 -半乳糖基轉移酶- 1 ( 3galt - 1 )主要在腦中表達,而- 1 , 4 -半乳糖基轉移酶- 1在睪丸中表達較高,且精子細胞表面的- 1 , 4 -半乳糖基轉移酶- 1在精卵結合后的頂體反應中發揮了重要的生理作用。
  10. 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

    脊尾白蝦邊緣不翻卷,核為泡狀核和絲狀核,棘突由具等距橫紋的纖絲組成,較長。
  11. 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

    核糖體,線粒體和內質網等細胞器數量逐漸增多,到次級精母細胞階段達到最大,在形成精子的過程中,上述細胞器與高爾基體及膜性泡共同分化或參與形成片層小體,並參與頂體的形成。
  12. Capacitation of acrosome ; process of pregnancy

    精子獲能;妊娠的過程。
  13. 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 .精子結構羅氏沼蝦與脊尾白蝦的精子結構相近,呈圖釘狀,由棘突、頂帽和精核組成。
  14. 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

    為了進一步探討人精於mr在精卵融合中的作用,本文採用改良后的甘露糖-瓊脂糖凝膠親和層析法分離純化人精子mr ,並將提純的人精子甘露糖受體( purifiedmannosereceptor , pmr )作用於去透明帶的金黃地鼠卵母細胞,運用透射電子顯微鏡技術和羅丹明偶聯的兵豆凝集素( tritc - lca )免疫熒光標記技術觀察pmr對卵子的影響。
  15. These imply the bsp proteins have important functions in sperm lipid metabolism, sperm capacitation and acrosome reaction

    目前在豬及馬的精漿中也都發現了與bsp蛋白同源的蛋白質的存在。
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