頂體 的英文怎麼說

中文拼音 [dǐngtǐ]
頂體 英文
acrosome; perforatorium
  • 頂 : i 名詞（人體或物體的最上部） crown; peak; top Ⅱ動詞1 （用頭支承） carry on the head 2 （從下面拱...
  • 體 : 體構詞成分。
  1. Twelve thousand refugees were bussed 560 kilometers from the superdome to houston ' s astrodome ( in texas ), which is now filled to capacity. refugees are now being sent elsewhere

    1萬2千名災民已經乘坐大客車離開大圓頂體育館來到560公裡外的德州休斯頓市的阿斯托洛圓頂體育館。這座體育館現在已經人滿為患；新到的災民正在被送往其它地方。
  2. Materials and methods the mouse, golden hamster and human sperm were incubated with endotoxin in different concentration for different time to get capacitation, respectively, and ar was induced by progesterone after capacitation, then the rates of capacitation and ar were detected by chlortetracycline ( ctc ) and hoechst 33258 fluorescent staining method. the medium was with endotoxin in different concentration in sperm - oocyte fusion step during ivf, then the fertilization rate was observed. the 1 - cell, 2 - cell and zona - free 2 - cell mouse embryos were incubated in the medium with endotoxin, then the rate of blastocysts was recorded

    方法取小鼠精子10份、金黃地鼠精子6份、人新鮮精液標本10份及人冷凍精液標本9份，分別與不同濃度內毒素共孵育進行體外獲能和孕酮誘導的頂體反應，應用金黴素和dna結合的熒光染料hoechest33258雙重熒光染色法檢測精子的獲能率和頂體反應率；小鼠體外受精實驗的精卵結合環節培養液中加入不同濃度的內毒素，觀察受精情況並記錄受精率；取小鼠1 -細胞胚胎、 2 -細胞胚胎和去卵透明帶2 -細胞胚胎，與不同濃度內毒素共孵育進行體外培養，觀察體外發育情況並記錄囊胚率。
  3. 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。
  4. Bsp proteins can potentate sperm capacitation induced by heparin and hdl in vitro and bsp proteins can also stimulate cholesterol efflux from spermatozoa

    Bsp蛋白與精子的獲能及頂體反應有密切關系。
  5. 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。
  6. The major function of the bovine seminal plasma protein is to accelerating the capacities of bovine epididymal sperm

    Bsp蛋白家族是牛精漿的主要蛋白成分。 bsp家族的主要功能是促進精子的頂體反應及獲能。
  7. 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。
  8. 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。
  9. The effects of endotoxin on the ar rate which was induced by progesterone were different tendency to mouse, golden hamster and human sperm

    在小鼠，頂體反應率隨內毒素濃度的增加而降低，在地鼠，則呈一定的劑量關系，在1
  10. The ar rate of golden hamster sperm increased with the rise endotoxin concentration, and it got highest at 1. 0 g / ml, then the rate started to decrease

    Opg inl時達到最高，然後隨內毒素濃度增加，精子的頂體反應率有下降趨勢；在人， 10
  11. He put on his coat, his scarf, and his respectable hat.

    他穿上外衣，圍上圍巾，戴上那頂體面的圓頂帽。
  12. 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
  13. Effect of cryopreservation on changes in human spermacrosome integrity and ultrastructure

    冷凍保存對人類精子頂體完整性及超微結構的影響
  14. 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
  15. 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。
  16. 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。
  17. 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。
  18. Fertilization is a highly programmed process by which two radically different cells, sperm and egg, unite to form a zygol it is mediated by complementary molecules present on the surface of the respective gametes. especially the proteins in the sperm acrom play an important role, but only a little can be extracted from sperm. now large amount of proteins can be obtained easily using biological technique

    受精是配子間相互作用最後融合成合子的過程，是由配子各自表面蛋白分子互補介導的，特別是存在於精子頂體的蛋白，但從精子中提取量少，用分子生物學手段大量克隆表達所需蛋白為受精機理的研究提供了方便。
  19. Bsp ( boyine seminal plasma ) protein is the cardinal protein in bovine sperm, which can combine with choline or phosphycholine and then adhere to the surface of sperm to promote the sperm capacitation induced by heparin and high density lipoproteins ( hdl ). moreover, bsp protein can combine with heterogeneous collagen, fibrinogen, heparin, calmoduline, igf - ii and apoa - i. bsp can also inhibit the migration of cholesterol on the sperm membrane

    前言bsp （ bovineseminalplasma ）蛋白是牛精漿中的主要蛋白質， bsp蛋白可以與膽堿或磷脂膽堿結合，黏附於精子表面，可促進由肝素、 hdl等誘導的獲能過程，另外bsp蛋白與不同來源的膠原、纖維蛋白原、肝素、鈣調蛋白、 igf - 、 apoa -等結合， bsp蛋白還可抑制精子胞膜上的膽固醇遷移，這些都暗示了bsp蛋白在精子胞膜的脂類代謝及調節精子的獲能以及頂體反應方面發揮重要作用。
  20. Spermal ultrastructure the sperm ultrastructure of the macrobrachium rosenbergii and exopalarmon carinicanda holthuis analogical, the whole sperm looks like a inversed umbrella, it has a main body, a spike and a little bit cytoplasm. there are some vesicle exist in the m. rosenbergii sperm nucleus. the relatively length of the spike of the e

    各種細胞器數量在精子發生過程中逐漸增多，其中內質網以粗面內質網為主，線粒體于初級精母細胞階段始出現，膜輪結構在次級精母細胞中出現，精細胞早期的上述細胞器分化成電子密度高的前頂體腔，並逐漸分化形成方形頂體。
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