精子受體 的英文怎麼說
中文拼音 [jīngzishòutǐ]
精子受體
英文
sperm receptor-
Xm ) trundle needle, trundleing the post thrust bearing trundles the needle through the roll part of the body, cylinder roller and thrust maintain shelf and the thrust bed down the livestock to make up, trundleing needle and the cylinder roller is subjected to the shelf maintaining that the thrust maintains and guides. moreover thrust bed down the livestock against the difference, shaft, the pedestal encircles and employs in company, fix module shaft shoulder end face and the shell opening back plane dimensional tolerance, geometry accuracy, rigidity, axial is moved up and down, coarse degree ought to accord with the internation ， national standard stipulation demand
滾針，滾柱推力軸承由滾動體滾針，圓柱滾子及推力保持架和推力墊圈組成，滾針和圓柱滾子受到推力保持的保持架引導，並與不同的推力墊圈，軸，座圈一起使用，安裝組件的軸肩端面和外殼孔底面的尺寸公差，幾何精度，剛性，軸向跳動，粗糙度應符合國際，國家標準規定的要求。Effects of urokinase - type plasminogen activator receptor on sperm chemotactic response induced by urokinase - type plasminogen activator in mice
尿激酶受體在尿激酶誘導小鼠精子趨化運動中的作用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。In order to understand the mechanism of spermatozoa living in the spermatheca after copulation, hematoxylin - eosin dyeing method is used to discover the microstructure of the spermatheca by light microscope
為進一步了解雌雄個體交配后精子在受精囊內的存活的機制，採用h - e法，在光鏡水平上研究了受精囊的顯微結構。During male gametogenesis, the spermatogonia became primary spermatozoa through mitosis, and then became fourth equivalent cytoplasm, round sperm through meiosis. after maturation, they participated in embryo development with the mature oocyte through fertilization. but in female gametogenesis, the primary oocyte formed a matured egg and 1 ~ 3 polar bodies ( pb )
雄性動物精子發生過程中精原細胞最後一次有絲分裂形成二倍體精母細胞后，經過兩次減數分裂形成了四個含等量細胞質、圓形的精子細胞，最終發育成四個具有正常生理功能的精子，與成熟卵母細胞受精后參與胚胎發育。Background : in - vitro maturation ( ivm ) of human oocytes would be an attractive alternative to gonadotrophin stimulation for in - vitro fertilization ( ivf ). it could avoid the complications of gonadotrophin stimulation and reduce the cost of drugs. however, the efficiency of existing ivm technique is suboptimal because embryos resulting from ivm oocytes exhibit frequent cleavage blocks and low implantation rate
研究背景：近20年來，輔助生育技術有了突飛猛進的發展，體外受精、卵漿內單精子注射技術（ intracytoplasmicsperminjection ， icsl ）和種植前遺傳學診斷技術的成熟標志著人類生殖醫學進入了嶄新的領域，但同時也不能否認，在這一領域中還存在諸如妊娠率低、藥物副作用和多胎率高等問題。Effects of the first polar body ' s position and morphology in murine oocyte on fertility rate and fertilized egg quality in intracytoplasmic sperm injection
卵胞漿內單精子注射中小鼠卵細胞第一極體位置和形態對受精率和受精卵質量的影響The mice showed also ageing - associated decline in oocyte quality, as indicated by increased frequency of premature chromatid separation, spindle disruption and / or chromosome misalignments in mii oocytes of aged mice. the gv oocytes from aged mice normally matured in vitro. the percentages of pronuclear - stage embryos, 2 - cell embryos and blastocyst derived from mii oocytes of aged mice by in vitro fertilization ( ivf ) were comparable with ones of young mice, but pronuclei formed 1 h later in aged mice than in young mice
老齡小鼠gv期卵母細胞能正常體外成熟；老齡小鼠m期卵母細胞經體外受精后形成原核期胚、 2 -細胞期胚和囊胚的比率與年輕小鼠比較無顯著差異，但原核形成時間延遲1小時；在老齡小鼠卵母細胞，注射牛精子抽提物或sr ~ （ 2 + ）處理時所誘發的ca ~ （ 2 + ）振蕩以及在減數分裂成熟及早期胚胎中的pkc分佈未發生改變。Application value of rescue icsi of unfertilized oocytes after ivf
體外受精失敗后補行卵胞漿內單精子注射的臨床價值探討2. the gynogenesis of allotetraploid hybrids without the treatment to double the chromosome number, the diploid eggs produced by the females of tetraploid hybrids of red crucian carpx common carp were able to develop to living diploid fish after subjecting to activation of the uv - irradiated sperm
人工誘導異源四倍體鯽鯉的雌核發育異源四倍體鯽鯉能產生二倍體卵子，用uv處理鏡鯉的精子，不進行染色體的加倍處理，能獲得二倍體雌核發育魚，通過冷休克對「受精卵」進行處理，仍然獲得了二倍體雌核發育魚。Determination of a fine binding site of ligand to fibroblast growth factor receptor
成纖維細胞生長因子受體1配體精細結合位點的確定These interactions are primarily dependent upon the coordinated actions of ovarian progesterone and estrogen, moreover, many other factors, such as growth factors, cytokines, ecm, adhension molecules, oligosaccharides and proteases, regarded as local mediators, endometrium and embryo have also expressed some specific receptors, via intracellular signal transduction chains and express some key genes, making receptivity of the uterus and synchronized development of the embryo to the blastocyst stage
成功的植入是處于接受態的子宮內膜和具有侵入性的胚胎間的同步協調反應。植入過程受多種生長因子及其受體、細胞因子、粘附分子、蛋白水解酶、寡糖等的精細調控，通過胞內信號轉導及關鍵基因的表達使子宮內膜發生一系列復雜變化。Effect of clozapine on human sperm chromosomes in vitro
人精子染色體受氯氮平影響的實驗觀察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。Double fertilization the fusion of one pollen nucleus with the egg to form the zygote and of the other pollen nucleus with a polar nucleus to form the triploid endosperm nucleus
雙受精：指花粉粒中的一個精子與胚珠中的卵細胞結合形成受精卵，另一個精核與極核結合形成三倍體的胚乳核。Different amount of copies in different tissues attribute to the different density of positive signals. the result of the experiment suggested that the transgenic animals can be produced by spermatozoa - mediated gene transfer after the entrapment of liposome. and because the exogenous dna occurs losing the segments. partly integration, or existin g outside of genome dna, the rate of chimerism is relatively high
結果表明： （ 1 ）脂質體包裹外源基因轉染精子的方法，可將外源基因導入受精卵中，能夠獲得轉基因動物，並得到了較高的轉基因陽性率； （ 2 ）精子攜帶的外源dna的整合過程是隨機的，在受精過程和胚胎早期分化過程中可能發生了片段丟失、不完全整合或游離于基因組存在而產生嵌合體。New york ( reuters health ) jul 31 - plasma testosterone levels in infant boys conceived by intracytoplasmic sperm injection ( icsi ) are significantly lower than in their naturally conceived counterparts, according to danish researchers
紐約（路透社健康專欄） 7月31日? ?丹麥研究人員發現，通過精子卵母細胞漿內注射（ icsi ）產下的男嬰與自然受孕的對照個體相比，其體內血漿睪酮水平明顯下降。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。3. the androgenesis of a ilotetraploid hybrids in 2002, the goldfish " s female nucleus were inacted by using uv rays to irradiate the eggs, the diploid s
2003年用失活的墨龍的卵子與四被體魚的二倍體精子「受精」 ，獲得了82尾雄核發育實驗魚。Cyclodextrin and their derivatives have the hydrophobic cavities and hydrophilic wall. as the molecular host they are well known to have the property of forming inclusion complexes with organic, inorganic and biological molecules which possess suitable polarity and dimension. as the excellent enzyme model and molecule receptor, cyclodextrins have been widely used in many fields in science and technology
環糊精及其衍生物具有疏水性空腔和親水性外壁，作為主體分子可包絡識別各種有機、無機和生物分子而形成主?客體超分子包合物，故作為優良的酶模型和分子受體在科學和技術等諸多領域有著極為廣泛的應用。分享友人