核染絲 的英文怎麼說
中文拼音 [hérǎnsī]
核染絲
英文
karyomit-
Blastema in wt consists of sheets of densely packed small blue cells with hyperchromatic nuclei, little cytoplasm and conspicuous mitotic actiity
后腎胚芽由密集排列的片狀小藍色的細胞構成，核染色質粗糙，胞漿稀少，有絲分裂像明顯。There are two main types of nuclear division : mitosis, which results in daughter cells identical to their parents ; and meiosis ( reduction division ), which produces daughter cells which have half the number of chromosomes of their parent cells, and in which the genetic material has been recombined
核分裂有兩種主要的類型：一種為有絲分裂，即子代細胞與親本相同，另一種為減數分裂，其產生的子細胞所含的染色體數為親本染色體數的一半，基因在分裂過程中發生了重組。The nuclei are monomorphic with inconspicuous nucleoli. the nuclear chromatin has somewhat granular appearance. mitotic actiity is not increased. ( same case as preious 2 illustrations )
瘤細胞核形態單一，核仁不明顯。核內染色質呈顆粒狀表現。有絲分裂活性未見增強。Combined pn and mycobacterium tuberculosis ( mtb ) infection is even rarer
肺部土壤絲菌和肺結核合併感染更是罕見。In this paper, the genetic diversity of qinghai - lake naked carps was studied for the first time by methods of chromosome karyotype, protein ( isomzy ) electrophoresis and mtdna rflp. the results of chromosome karyotype indicated that : ? the diploid chromosome number of qinghai - lake nakked carp was 2n = 92 that comprised of 18 metacentric chromosomes, 18 submetacentric chromosomes, 16 telocentric chromosomes and 40 acrocentric chromosomes, and the karyotype formula was 18nvh8snvh6st + 40t, nf = 128
染色體核型研究結果表明；青海湖裸鯉染色體總數2n = 92條，由18條中著絲粒染色體、 18條近中著絲粒染色體、 16條近端著絲粒染色體和40條端著絲粒染色體組成，其核型式為： 18m + 18sm + 16st + 40t ， nf = 128 。Endomitosis the duplication of chromosomes without division of the nucleus, causing polyploidy and leading to an increase in nuclear and cytoplasmic volume
核內有絲分裂：在細胞核不分裂的情況下進行染色體復制，產生多倍體並使細胞體積增大的一種有絲分裂形式。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。It is likely that telocentric chromosomes with minute sizes may be ancestral types of the vertebrate chromosomes. 2
從文昌魚染色體的核型看，似乎形態較小的端部著絲粒染色體是脊椎動物染色體的遠祖。Exopalarmon carinicanda there are two kinds of spermatogenium in this species, the second kind spermatogenium come from the first one. chromatins condense in each stage at different level. the nucleus changes into two forms : fibrous nuclear and vesicular nuclear
在生精細胞階段核內染色質有不同程度的凝集，在成熟精子中核質分化成泡狀核和絲狀核，整個精子發生過程無核仁發現。The tumor cells hae abundant eosinophilic cytoplasm and enlarged hyperchromatic nuclei with prominent nucleoli. numerous mitotic figures were also present
腫瘤細胞富含嗜酸性細胞漿、增大深染的細胞核具有突出的核仁。也可以呈現出數目眾多的有絲分裂像。The concentration of 0. 0375 % is better than th at of 0. 075 %. the conclusion can be drawn according to the observation of 517 clear metaphases of mitosis that the number of diploid chromosome is 2n = 42 and the karyotype formula is 42t, nf = 42. a special huge chromosome was observed in a part of larval fish
通過對517個清晰的中期分裂相的觀察和統計，最終確定：半滑舌鰨的半滑舌姻的早期胚胎光聰觀察及核型研究染色體眾數zn ? 42 ，臂數nf二42 ，核型為42t ，全部為端部著絲粒染色體。Their flowers and fruits were removed in this experiment to enhance them to take branch roots on the stems, and then the branch roots were used as materials. five mitosis metaphase cells, with their chromosomes well scattered, were counted. chromosome number of hup is 2x = 24, and its karyotype formula is 2n = 2x = 24 = 8m + 12sm + 4st, being to " 3b " of stebbins
本實驗採取去其花、果實，促其莖節上長側根的辦法，以其側根為實驗材料，統計了5個分散較好的有絲分裂中期細胞，其染色體數目為2x = 24 ，核型公式為2n = 2x = 24 = 8m + 12sm + 4st ，核型類型為3b型。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。In this paper, the effect of nuclear actin on the process of chromosome construction has been studied by utilizing the precise natural synchrous plasmodium of physarum polycephalum, sds - polyacryl amide gel electrophoresis ( sds - page ), western blotting, the cell - free system and optics microscopy. the major results and conclusions are as follows : 1
本實驗以多頭絨泡菌原質團為材料，採用同步化培養、細胞核提取、 sds - page 、免疫印跡、非細胞體系構建、光學顯微鏡觀察等方法，研究了有絲分裂前期核內肌動蛋白對染色體構建的影響。3 ) the results of studying on the chromosomal mutation and mitosis of the wheat irradiated by uv - b indicated that the rate of mitosis was inhabited by uv - b radiation ( 10. 08 kj ? m " 2 ? d " 1 ) in wheat cells, and some types of chromosome aberration were induced
（ 3 ）對染色體及細胞分裂的研究結果表明，增強uv - b輻射能抑制小麥細胞的有絲分裂率，產生落後染色體、染色體橋、游離染色體、核變形等畸變。Now and then, there exists the phenomenon that a few sperms penetrate into egg, while polyspermy is few
70min ，合子核進入第一次有絲分裂中期。 80min ，染色體處于有絲分裂後期。Cultured epithelial cell undergoing division. this cell is in prophase of mitosis. microtubules are shown in green, actin is in red and mitotic chromosomes are colored blue
以上兩圖為正處于有絲分裂前期的動物上皮細胞。綠色的是微絲，紅色為肌動蛋白，染色質高度螺旋成為粗短的染色體（藍色） ，核膜核仁逐漸解體，染色體不規則地分佈於細胞內。As cyclin b is the mark protein representing the process of prophase, we infered that cytochalasin b destroyed the polymerization of the nuclear actin and directly affected the process of prophase. nuclear actin played an important role in the process of the chromosome construction
因為cyclinb是有絲分裂前期進程的標志性蛋白，所以我們認為細胞鬆弛素b破壞細胞核內肌動蛋白聚合后，直接影響了有絲分裂前期的進程，進而悅明核內肌動蛋白在有絲分裂前期染色體構建過程中起著重要作用。分享友人