精子生成細胞 的英文怎麼說
中文拼音 [jīngzishēngchéngxìbāo]
精子生成細胞
英文
spermatogenic cell- 精 : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 生 : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
- 成 : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
- 細 : 形容詞1 (條狀物橫剖面小) thin; slender 2 (顆粒小) in small particles; fine 3 (音量小) thin ...
- 胞 : Ⅰ名詞1 (胞衣) afterbirth2 (同一個國家或民族的人) fellow countryman; compatriot Ⅱ形容詞(同胞...
- 精子 : [生理學] sperm; spermatozoon (pl spermatozoa); spermium (pl spermia)精子活率 sperm motility r...
- 生成 : create; generate; produce生成演算法 generating algorithm; 生成文法 generating grammar; 生成物 pro...
- 細胞 : cell; sytes; bioplast; cella; [口語] gene; [生物學] cellule; cellule cellulli cellulo ; cello ; k...
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The process that led to dolly began with the transfer of the nucleus of an adult cell to an unfertilized egg taken from a donor animal by a process known as cell fusion
多利誕生的過程是這樣開始的:通過一個叫細胞合成的過程,把一個成體細胞核移植到一個取自供體動物的未受精的卵子上。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
本論文以直翅目、螽斯亞目、蟋蟀總科、蟋蟀科的多伊棺頭蟋( loxoblemmusdoenitzi )為材料,採用壓片法-改良苯酚品紅染色,研究了精子發生過程中的減數分裂階段和精子形成,發現初級精母細胞第一次減數分裂后不經過末期和前期直接進入中期。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。In seed plants it is the generative cell in the pollen grain, which divides in the pollen tube to produce two sperm cells
在種子植物中,它是在花粉粒中的生殖細胞,可以在花粉管內分裂形成兩個精子。Studies on spermatogenesis and oogenesis in palaemon modestus jiang ye - qin ( chemistry department, huzhou teachers coliege, huzhou 313000 ) palaemon modestus belongs to genus palaemon, family palaemonidae, caridea, natantia, decapoda, class crustacean. lt is a kind of freshwater prawn across china and especially abounds in the taihu lake which is regarded as one of the " three delicacies " of the taiha lake. as for the researches on palaemon modestus, v / e can only refer to spermatogenesis of freshwater shrimp exopalaemon modestus ^ ruang hai - xia et al, 2001 ), studies on reproductive biology of exopalaemon modestus l. the structure and development of the male reproductive system ( huang hai - xia et al, 1999 ) and studies on freshwater prawn in the taihu lake ( yan sheng - liang, 1999 ). on the bases of their researches and with the help of tem, i have made further researches on sperm ultrastructure, spermatogenesis, oogenesis and mature oocyte ultrastructure in palaemon modestus
秀麗白蝦palaemonmodestus屬甲殼綱crustacea十足目decapoda游泳亞目natantia真蝦部caridae長臂蝦科palaemonidae長臂蝦屬palaemon ,是我國南北均產的淡水蝦,其中太湖產量尤其大,與太湖銀魚、鱭魚並稱「太湖三寶」 。有關秀麗白蝦的研究僅見秀麗白蝦雄性生殖系統的研究(黃海霞等, 1999 ) 、秀麗白蝦精子發生的研究(黃海霞等, 2001 ) 。本人在前人工作的基礎上,利用透射電鏡技術( tem )進一步研究了秀麗白蝦精子的形態、結構及精子的發生過程,同時還研究了秀麗白蝦卵的發育過程,從卵原細胞到卵黃發生前的卵母細胞、卵黃發生的卵母細胞及成熟卵細胞,各期卵細胞的形態結構特點及各部分結構的變化情況。However, kit protein doesn " t exist in oogenesis after birth. there are also c - myc positive protein granules in the spermatomeres from metaphase i to telophase ii, in the spermatozoa and in the secretory cells of the spermatheca. c - myc protein expresses not in the normal follicles, but in the follicular cells of the apoptotic ones
Myc在處于減數分裂的中期至末期的精母細胞的細胞質或細胞核內呈陽性表達,在減數分裂后形成的精細胞和受精囊囊壁的上皮細胞的細胞質內也有陽性表達:但在出生后的卵子正常發生過程中無陽性表達,然而在凋亡卵泡的濾泡細胞的細胞質內有陽性表達。Almost one - third of all proteases can be classified as serine proteases, including complement subcomponent clr / cls, mannose - associated serine proteases ( masps ), ovochymase, spermadhesin, type ii transmembrane serine proteases ( ttsps ) etc. these proteins are involved in diverse biological processes, including developmental processes such as complement activation, ovulation, fertilization, tissue remodeling, cellular migration, cancer invasion and metastasis, intestinal digestion, embryogenesis, or organogenesis
絲氨酸蛋白酶( serineprotease )是機體最重要的酶分子之一,約占機體蛋白酶的三分之一,我們較熟知的絲氨酸蛋白酶就包括補體組分c1r c1s 、甘露糖結合絲氨酸蛋白酶、 ovochymase 、 spermadhesin和型跨膜絲氨酸蛋白酶等,它們參與了補體活化、排卵、授精、組織重建、細胞遷移、腫瘤浸潤和轉移、消化、胚胎發育、器官形成等多項生理功能。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。This modification includes : ( 1 ) selecting two important molecules as candidates, ( 2 ) choosing a promiscuous t - cell epitope, and two b - cell epitopes or conserved amino acid sequences from the two important molecules, ( 3 ) connecting them adequately through analysis by the molecule designing software. therefore, the synthetic new antigen may interfere with the process of fertilization by multiple ways and its contraceptive effects may be enhancing. based on the molecule designing methods, the b - lymphocyte cell epitope of sperm / testis specific protein sp17 and cyritestin which interfere with fertilization in mouse, as well as the promiscuous th cell epitope of the ribonuclease ( rnase ) in bovine were selected
本研究以蛋白質分子設計的理論和方法研究避孕疫苗,將sp17和cyritestin關鍵表位和牛核糖核酸酶非選擇性th細胞表位合理組合,獲得新抗原- 35肽序列;並在合成、純化後分別與弗氏佐劑、免疫刺激復合物( iscoms )混合后免疫不同遺傳背景的雌性小鼠,觀察血清和生殖道內的特異性抗體滴度的動態變化、生育力的改變以及免疫后小鼠重要臟器的組織病理學改變:以及在ivf下,新抗原的特異性抗血清對精卵相互作用的影響及抗原在精子表面的特異性定位。When the male reproductive cell fertilizes the female reproductive cell a zygote is formed.
當男性生殖細胞與女性生殖細胞發生受精時,就形成了一個合子。To observe tsarg2 fusion protein expression in mammalian cell, pegfp - nl / tsarg2 fusion plasmid was constructed and transiently introduced into cos7 cell by liposome transfection. under the fluorescence microscope, the green fluorescence produced by pegfp - nl / rsarg2 was detected on the nucleus of cos7 cells after 24 hours post transfection, while the fluorescence produced by pegfp - nl was detected through the cells
同時將21大、 35天、 49大、 280天小鼠睪丸進行組織石蠟切片,結果表明小鼠翠丸在第21天可見精子細胞,到第35天,精子生成的最後階段開始發生,部分牛精小管中可見少量成熟的精於。When a pollen grain germinates, a pollen tube pushes its way out through an aperture in the pollen grain wall, and the nuclei migrate into the tube
生殖細胞核分裂,形成兩個僅由細胞核和細胞質構成的精子,其中一個將與卵受精,另一個則與極核融合形成胚乳核。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
精子發生過程中,細胞器由少到多,到最後解體;細胞質從均勻分佈,到精細胞期極性分佈,最後殘留于成熟精子的頂帽和精核之間;細胞核在精原細胞期,染色質異固縮,胞核大,即核質比大於后續的精母細胞;在初級精母細胞中,染色質凝聚為sc復合體,到成熟精子,精核呈碟狀,染色質呈絲狀游離于非濃縮的核中。Most commonly used is the mechanical method in which a small piece of testicular tissue is torn apart using needles and the spermatids are released. while enzymatic digestion of human testicular tissue can result in a mixture of cell types including a whole range of spermatogenic cell types
最常用的是機械方法,即利用細針將活檢獲得的小塊睪丸組織撕開,釋放出精子細胞;也可利用酶將睪丸組織消化成細胞懸液,其中包含所有類型的生精細胞。Cortical granule ( cg ) is an unique type organelle of mammalian oocyte. during the maturation of oocyte, cgs shows a specific change in distribution. the generally accepted indicator of final cytoplasmic maturation is the line underneath oocyte membrane constituted by cgs
卵母細胞在成熟和受精過程中,細胞骨架發生一系列明顯的變化,微管是一種重要的細胞骨架成分,對于哺乳動物卵母細胞減數分裂的完成、精子的運動、雌雄原核的結合是必不可少的。Based on these observations, we isolated protoplasts from female germ unit and performed extracellular ca2 + influx experiment in order to check whether the cytological event similar to what happens during fertilization will be induced by extracellular ca2 + influx
表明細胞壁的合成是受精后早期發生的細胞學事件。在此基礎上,我們分離了胚囊細胞的原生質體。通過外源導入鈣離子檢查鈣能否引發類似受精過程發生的細胞學事件。5. p and pr probably exert roles during the period of sperm development. p in follicular cells regulates spermiation and sperm maturation
P和pr與精子的發生和成熟密切相關, p可能參與支持細胞與精子之問的信息傳遞,也可能直接參與精子的成熟調節。They cultured these cells in the laboratory and coaxed them into becoming male reproductive cells, which are scientifically known as sperm cells
研究人員在實驗室培養這些幹細胞,誘導分化成男性生殖細胞,即精子細胞。Recently, primordial germ cells ( pgcs ), which are the progenitors of the sperm or egg cells, have provided an alternative source of pluripotent stem cells
近年來,作為精子和卵子的祖細胞的原始生殖細胞( pgcs )已成為另一種可選擇的多能性幹細胞。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場巧的磷酸化抑制cdcz的活性,它的磷酸化可以導致mpf復合物解離,使其失去生物活性,綜合以上實驗結果可以說明:在雄性小鼠生殖細胞發育過程中, cdcz在精原細胞、初級精母細胞及精子細胞中表達,隨著翠丸組織中生殖細胞的不斷成熟,生殖細胞中cdcz活性逐漸下降; cdcz在精子中同樣存在,但已失去其生物活性。分享友人