精原核 的英文怎麼說
中文拼音 [jīngyuánhé]
精原核
英文
malepronucleus-
Following with the condensing of chromatin, nucle us gradually elongates and spires. a large number of vesicles turn into glycogen granules behind mitochondria. the mature typical sperm of cipangopaludina chinensis, having monoflagella, consists of a spiral head with only one spiral buddle conformed of nucleus, a spiral middle piece with four s
中國圓田螺成熟典型精子單鞭毛，由頭、中、尾三段構成：頭段螺旋狀，旋束由細胞核構成，僅單股；中段也呈螺旋狀，旋束由線粒體構成，共四股；尾段非螺旋狀，主要由糖原顆粒構成。While cortical alveoli discharge in batches, the plasma membrane has been reorganized time after time. spermaster " elongate and traction, and cytoplasm " flowage make the male pronucleus and the female pronucleus conjugate
）十物』 i ：他地仰排原核紀合是精人己光擴悵、引和細w質流動兒d 。Researches into the nuclear fusion reactions has created a need for handling the deuterium tritium fuel employed, and cryogenic fractional distillation was selected as one of the best process for making the required separations due to relatively large separation factors, low power consumption, high throughputs, relatively short start - up times, and flexibility of design
受控聚變的研究已給人類展示出取得更加安全、清潔，而且是無限豐富的能源的美好前景。在廉價制取聚變燃料氘以及提高核能原料利用率的方法中，低溫精餾被認為是最經濟可行的分離氫同位素的方法。Protoplasted monokapyon ( pm ) were prepared from lentinus edodes strains jingxuan and wuxiang, respectively, intercross process were put in practice
摘要以香菇菌株精選和武香作為親本制備單核原生質體，將兩個親本的單核原生質體進行一一雜交。Nuclear effects produce hyperfine structure.
原子核的影響引起超精細結構。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。Using the hprt gene as a positive control, our result suggested that both the testis tissue and the male embryos from which sry transcription can be detected failed to yield any positive results of xist. female embryos at the pronucleus stage and 2 - cell failed to produce any positive result of sry and xist too. while since the 4 - cells period, xist is constantly transcribed until blastocyst stages
然後利用實驗一確定的pcr條件，以hprt為陽性對照，用巢式rt - pcr對小鼠早期胚胎進行xist基因的轉錄分析，結果發現，轉錄sry基因的睪丸組織以及雄性胚胎，從受精卵發育到囊胚的過程中，基本上不轉錄xist基因；不轉錄sry基因的雌性卵母細胞和雌性胚胎，從出現原核開始，到發育至2 -細胞期的過程中， xist基因一直不轉錄，但是，從4 -細胞期開始，一直到孵化前囊胚階段，雌性胚胎都轉錄xist基因。The seminoma cells are large with vesicular nuclei, and pale watery cytoplasm
精原細胞瘤癌細胞巨大、泡狀核和胞漿疏鬆。There was expression of cdc2 in nuclear and plasma of spermatogonia, primal spermatocyte, sperm cell, cdc2 also exists in sperm but is fewer than other cells
Cdcz在精原細胞、初級精母細胞及精子細胞中的胞漿與胞核中均有表達，精子中也有所表達，但相對淡染The results suggested that monocrotophos had not only environmental estrogen effects, but also reproductive toxicity. monocrotophos could destroy the membrane systems of three kinds of pituitary secretary cell, spermatogenous cell and sperm. in three kinds of pituitary secretary cell, nuclear membrane and endoplasmic reticulum showed dilation, and endoplasmic reticulum even exhibited fusion under exposure in high concentration
久效磷對精原細胞的損傷最為嚴重，細胞膜和核膜水腫，高濃度暴露組的細胞膜和核膜溶解，線粒體的崎也有溶解現象;但久效磷對精母細胞和精子細胞的損傷並不明顯，主要表現為膜系統的輕微水腫。During the stages of primary and secondary spermatogonium, components of the nucleolus, called chromatoid bodies ( cb ), are excluded from the nucleus
精原細胞階段，部分核仁物質外排，成為擬染色質小體，其上聚集一群線粒體，構成「線粒體區」 。P and pr have relationships with spermatogensis and sperm maturation. 6. the product of c - fos translocates from the cytoplasm of spermatogonia to nuclei of spermatogonia, then it induces the transcription of dna and regulate spermatogonial proliferation and spermatogenesis
C fos產物從精原細胞胞質中轉移到胞核中后通過啟動dna的轉錄而調控精原細胞的增殖，從而促進精子發生的進程。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。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。The testis development stages are determined according to cell ' s morphological characteristics, its size and number and the varying extent of chromatic agglutination. the development of testis may be divided into five stages : ( 1 ) multiplication of spermatogonium ; ( 2 ) growth of spermatocytes ; ( 3 ) maturation of spermatocytes : ( 4 ) initial appearance of spermatozoa ; ( 5 ) complete maturation of spermatozoa ? the reproductive seasons cover from march to april
可根據各期細胞大小、數量多少、核染色質凝聚程度等將精巢的發育時期劃分為精原細胞增殖期、精母細胞生長期、精母細胞成熟期、精子開始出現期、精子完全成熟期共5個時期。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。Results after successfully construction of the eucaryotic expression vector, fertilized eggs were microinjected with linear expression vector and transferred into recipient mice, 34 mice were born and survival
經受精卵原核顯微注射后移植到受體母鼠，第一批移植受體后產仔34隻，經pcr檢測陽性為3隻。They were coinjected into the male prenuclei of fertilized eggs with hsa. dna together. after that normal injected eggs were selected and transferred to the oviduct of pseudopregment recipents mice and gave birth to 65 fl offsprings, the foreign genes were found integrated in 12 of 65 mice by pcr and southern blotting detection
用顯微注射法分批把這三種不同的dna片段導人小鼠受精卵雄原核，並移植入假孕受體鼠，產生的65隻n代小鼠中，經pcr和southern雜交檢測，表明轉入的基因在12隻小鼠體內有整合段。Maturation rates of 9 types of reconstructed gv oocytes were not differed with maternal age. after maturation of reconstructed gv oocytes, the percentages of pronuclear - stage embryos and 2 - cell embryos developed from 9 types of reconstructed oocytes by ivf or artificial activation were not influenced by cytoplasmic or nuclear changes resulting from oocytes of different age groups of mice
不同年齡段小鼠進行gv互換所形成的9種重組卵母細胞，在經人工活化或體外受精后，形成原核期胚和2 -細胞期胚的比率並不因不同年齡小鼠卵母細胞所帶來的細胞質或細胞核的改變而受到影響。These suggest the bsp proteins and its homologous proteins are ubiquitous in mammals and must have some physical significances. in our research, to find and study the important role of bsp proteinsand their related proteins in the development of zygotes and to find the new gene related to bsp, we cloned a cdna gene sequence related to bsp proteins and make it express in eukaratic cells. the fusion protein acquired are purified are used to deduce its biological functions
而在我們的實驗中為了發現和研究bsp及其相關蛋白在受精卵的發育中的重要作用，尋找bsp相關的新基因，克隆了一個與bsp蛋白相關基因的山一na序列並將該基因編碼的蛋白質在原核細胞中進行了表達和純化，將純化后的融合蛋白作了一些生物學功能方面的初步工作，發現新蛋白對tpk有一定的抑制作用，而tpk是細胞生長和代謝中十分重要的關鍵酶，這對于進一步研究新蛋白的生物學功能具有十分重要的意義。分享友人