胚體形成 的英文怎麼說
中文拼音 [pēitǐxíngchéng]
胚體形成
英文
embryogenesis-
The first demonstration of the formation of adventive embryos from carrot tissue explants can be traced to the work of reinert.
由胡羅卜組織外植體來的可定胚形成的最初證實可追溯到Reinert的工作。The first demonstration of the formation of adventive embryos from carrot tissue explants can be traced to the work of reinert
由胡羅卜組織外植體來的可定胚形成的最初證實可追溯到reinert的工作。Antipodal cells the three haploid cells found in the embryo sac of seed - bearing plants that migrate to the chalaxal end of the sac farthest from the micropyle
反足細胞:胚囊三次分裂形成卵細胞,助細胞和極核等,其中位於合點端的三個單倍體細胞稱反足細胞。Embryological studies reveal that megaspore and such cells as egg, synergid and antipodals in mature embryo sac initiate the division of forming haploid plants through embryogenesis or callus formation
胚胎學觀察揭示大孢子與胚囊內的卵細胞、助細胞和反足細胞均有可能在培養中啟動分裂,通過胚狀體或愈傷組織形成單倍體植株。Perfectly normal bipolar embryoids are formed.
形成完全正常的兩極胚狀體。The researchers used fast neutrons to irradiate mouse embryos between the blastocyst stage and the beginning of somite formation.
研究人員用快中子照射在胚泡期和體節形成開始之間的小鼠胚胎。Using the mouse fetal ovary serum - free culture model, fetal ovaries from 14 day post coitus ( 14 dpc ) mouse were cultured, and treated by ay9944 - a - 7, nystatin and rs - 21745. the results showed that 0. 025, 0. 0625 and 0. 125 um ay9944 - a - 7 or 25, 50 and 75 iu / ml nystatin increased the total number of follicles per ovary significantly ; however, ay9944 - a - 7 and nystatin at the same doses could n ' t cause the same effect on the number of growing follicles and the average diameter of five largest follicles per ovary. 50 u. m rs - 21745 decreased the total number of follicles, the number of growing follicles and diameter of follicles per ovary significantly after 48 h
首先利用小鼠胚胎卵巢的體外無血清培養模型,培養妊娠14天( 14daypost - coitus , 14dpc )小鼠胚胎卵巢,分別添加能促進mas積累的ay9944 ,制黴菌素,和能抑制mas產生的rs - 21745進行處理,結果表明: 0 . 025 、 0 . 0625利0 . 125 m的ay9944 - a - 7與25 、 50和75iu ml的制黴菌素能顯著提高卵巢中形成卵泡的總數量,但是對生長卵泡數和卵泡直徑的作用不同;而mas合成抑制劑rs - 21745能夠顯著降低形成卵泡的總數量。It " s shown from the results that the pituitary gland of silurus asotus originates from two embryonic cells of different position ; and the doral wall of the original cavum oris forms the rostral pars distali ( rpd ) and the proximal pars distalis ( ppd ) ; the infundibulum of the ventral part of diencephalons forms the the pars intermedia ( pi ) and the neurohypophsis
結果表明:鯰腦垂體由兩個不同部位的胚胎細胞形成,原始口腔背壁外胚層分離出來的細胞構成腺垂體的前外側部( rpd )和中外側部( ppd ) ,從間腦腹面漏斗體分離出來的細胞構成腺垂體中間部( pi )及神經垂體( nh ) 。Kinetin was later shown to be inhibitory for embryoid formation.
激動素原來被表明抑制胚狀體的形成。Under suspension culture without cytokines, the putative eg clonies could be induced to form simple embryoid bodies. after long - time culture, these bodies began to differentiated into various cell types
將消化分散的類eg細胞在無分化抑制因子的類eg培養基中重懸培養, 3 4天後,可見部分細胞團形成簡單的胚體。Eg cells of the 2th and 4th passage were akp ( alkaline phosphate ) positive. when cultured on degenerated feeder layers or in suspension, eg c ells formed embryoid bodies ( ebs ) in vitro
當eg細胞脫離飼養層懸浮培養,或在衰老的飼養層上延遲培養時,發現eg細胞或單個存在,或聚集成團,形成類似於早期胚胎的囊狀胚體結構Spontaneous differentiation of es cell d3 line in vitro es cell d3 line via suspension culture can congregate small mass within 24 h, and large numbers of aggregates called embryoid bodies ( ebs ) gradually formed after 2 to 3 days of culture
5 . es一d3細胞系的自主分化es一d3細胞懸浮培養, 24h后可聚集成小的細胞團,第2 ~ 3d時形成大量的類胚體( ebs ) 。There is no different between the fibroblast feeder of mouse and the fibroblast feeder of goat according to blastoysts attached and icm proliferation. es - like cell develop embryoid body - like structure in suspension culture in vitro. es - like cells of goat differentiate into various kinds cell, egg : fibroblast cell, neurolike cell
Es細胞在體外懸浮培養,形成類胚體,山羊類es細胞在無飼養層鋪有明膠的皿底上培養,可分化為多種類型細胞,如上皮細胞、成纖維細胞、神經細胞等。The early embryo were made into a series of continuous section slides by tissue cutting. the sections were stained by hematoxylin and eosin ( h & e ) staining and then the development of internal organs such as heart in early embryos was observed by microscope. we found that there is certain relationship between external and internal malformation
同時我們收集人類藥物流產的早期胚胎,觀察發現胚胎畸形佔17 . 86 % ,早期致死佔32 . 54 % ;採用組織切片技術將胚胎製成一系列石蠟連續切片,染色后顯微觀察畸形和正常的早期胚胎內部心臟等器官的發育情況,發現胚胎外部畸形與體內畸形存在一定關聯,對此我們將做進一步的研究。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。Part 1 : the culture and identification of es - d3 cells and the study of the efficiency of eb formation from es cells when grown on mef feeder layer in es culture medium or cultured in es culture medium supplemented with lif 1000u / ml, es - d3 cells being used in our experiments formed normal clones, expressed akp and kept their normal karyotype over many passages. the in vitro and in vivo differentiation experiments showed that es - d3 cells could differentiate into variety of cell types derived from three primary germ layers
結果顯示: eso3細胞在小鼠胚胎成纖維細胞上和或含白血病抑制因於億f )的es細胞培養液中形成典型的胚胎幹細胞克隆,堿性磷酸酶染色結果為強陽性,具有正常二倍體核型以及具有在體內外分化為三個胚層來源的組織細胞的潛能,而且具有形成種系嵌合動物的能力。The results of biological tests have demonstrated that allantoic fluid of the first passage virus did n ' t produce macroscopic pathogenic role to chicken embryos and after passaged for four times, gross lesions were observed in chicken embryo. the virus showed typical coronavirus under electron - microscope and it could n ' t form plaque in cef cells and could hemagglutinates chicken red blood cells after treatment with 1 % trypsin. to surprise, the virus replicated in cef cells also showed hemagglutination activity to chicken red blood cells. in addition, the spf chickens which inoculated with the virus isolated from the chicken damaged tissue showed clinical sign and grow lesion, but it ' s gross lesion did n ' t resemble to those of field outbreaks
生物學特性:雞胚尿囊液經離心、磷鎢酸負染后,電鏡觀察該病毒為典型的冠狀病毒;該毒株的第一代尿囊液對雞胚無肉眼可見的致病作用,當繼代到第5代后,胚體嚴重病變;病毒在雞胚中隨著接種時間的延長,其效價增高, 96h可達到48h的2倍;該毒株可在cef上生長,但不能形成明顯的蝕斑;經1胰酶處理后可凝集雞紅細胞;雞胚的第四代尿囊液病毒回歸動物體,病死雞腎臟呈典型的花斑腎,腺胃則未見肉眼可見的病變。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 pollen grain germinates on a special extension of the carpel, the stigma, and double fertilization results in a diploid zygote and triploid ( usually ) endosperm nucleus
花粉粒在柱頭上萌發,雙受精導致雙倍體的合子和三倍體的胚乳形成。- 1, 4 - gt seems to play a multifunctional role hi normal cell physiology and has been associated with sperm - egg binding, cell - cell recognition, cell migration on basal lamina and neurite extension, embryonic maturation, rheumatoid arthritis, and cell development. hi this paper, it is studied on expression of the - 1, 4 - gt gene
細胞質膜上的- 1 , 4 - gt與精子的受精作用、胚胎形成、內分泌、神經元細胞的遷移、癌細胞的轉移、表皮細胞的增殖及自體免疫性疾病等方面都有著密切的關系。分享友人