胚系 的英文怎麼說
中文拼音 [pēixì]-
In some cell lines there is a similar periodicity in changes of cell surface antigenicity or response to wheat germ agglutinin.
在某些細胞系中,細胞表面抗原性或對表胚凝集素的反應方面有相近似的周期性變化。The chickens and chicken embryos were inoculated with variant serotype isolate e of infectious bursal disease virus using cloacal, nosal routes or via the allantoic cavity route, and the histopathological features of the bursa of fabricius of the ibdv _ infected chickens at various intervals of time were systematically investigated
本試驗全面而系統地觀察了傳染性法氏囊病病毒變異e株,通過泄殖腔、鼻腔和尿囊腔接種雛雞和雞胚后不同時間法氏囊的組織形態學變化。Those who speak of slippery slopes, the instrumentalization and desensitizing of human life, are right to worry but wrong to believe that embryonic stem cell research necessarily opens us to such dangers
作者指出,胚胎幹細胞研究的倫理爭議,不宜與墮胎爭議混為一談,因為墮胎所涉及的是懷孕婦女與胎兒之問的特殊關系,而研究者對人類胚胎的毀損與利用,則牽涉到該項研究的潛在貢獻與各種其他考量之間的輕重權衡。Illiensis type and t. tetraphylla type. there are more than one types of embryo sac in 3 species, sush as t. illiensis, t. heteropetala and t. heterophylla
在所報道的5組共45種鬱金香屬植物中,發現該屬植物的胚囊發育類型具有一定的系統學意義。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 ) 。Embryonic stem ( es ) cell lines isolated from primitive embryonic cells are highly undifferentiated and totipotent cells. in vitro, es cells can spontaneously differentiate into embryoid bodies ( ebs ) containing derivatives of three germ layers
胚胎幹細胞( embryonicstemcell , escell )系是從早期胚胎細胞分離培養而建立的高度未分化的具有全能性的細胞系。Anatomy and embryology of digestive system
消化系統解剖和胚胎學1Researchers cherish lines of embryonic stem cells
研究人員珍視這些胚胎幹細胞系。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。According to the space - tim e maturation during the development of the vessel elements in primary vascular system : the vessel elememts of the cotyledons and the lower portion of cnz formed firstly, then downward hypocotyl - root zone, at length, the vessel elememts of the upper and middle portion of cnz and epicotyl - shoot region connected with each other, the result uphold the seedling partition model that divides seedling into cnz, hypocotyl - root region and epicotyl - shoot region
根據金魚草幼苗初生維管系統導管分子發育的時空性,即子葉和子葉節區下部導管分子先形成,然後向下形成下胚軸-根區的導管分子,最後子葉節區中、上部與上胚軸-苗區的導管分子再發生連接,據此支持將幼苗分為子葉節區、下胚軸-根區和上胚軸-苗區的幼苗分區模型。The regulating roles of transcription factors in embryonic erythropoiesis
胚胎期紅系造血中轉錄因子的調控作用Expression and distribution of frizzled in spinal cord of the embryonic mouse
不同品系小鼠胚胎玻璃化冷凍保存的比較研究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。A sufficient condition is given for a homeomorphism with the the average shadowing property to be minimal. in section 3. 3, we prove that if / has the potp and is equicontinuous, then / has the limit shadowing property
2節討論了平均跟蹤與偽軌跟蹤的關系,並給了有平均跟蹤的自同胚是極小的一個充分條件。Abstract : the early embryo developmental block is a common phenomenon in mammal when embryos are cultured in vitro. many studies of phosphorus, glucose, hypoxanthine and cytoplasmic factors on early embryo developmental block carried out by different methods such as morphology, biochemistry, molecular biology and micromanipulation have been reviewed. the merit and shortcoming were analyzed and the necessity of using simple or components limited media overcoming early embryo developmental block were also reviewed. media that have been shown effective in overcoming early embryo developmental block in mouse, rat, hamster, rabbit, pig, sheep, cattle and monkey were listed
摘要哺乳動物胚胎在體外培養中普遍存在早期發育阻滯的現象.對此,人們用形態學、生物化學、分子生物學、顯微操作等手段開展了磷酸、葡萄糖、次黃嘌呤和細胞質因素對早期胚胎發育阻滯的影響的研究.本文綜合分析了共培養系統的優缺點.說明了採用完全成分已知的培養液對進行有關研究的必要性.列出了有效運用於克服小鼠、大鼠、倉鼠、兔、豬、羊、牛、猴等動物早期胚胎阻滯的成分已知的培養液的名稱。The purpose of this study was to establish es or eg cells lines in the future for further research. the results attained were as follows : 1. derivation of embryonic stem cells from icr mouse preimplantation embryos
本試驗對icr小鼠胚胎多能幹細胞的建系工作做了初步探索,為胚胎多能幹細胞多種屬廣泛建系的研究打下一定基礎,也為小鼠胚胎多能幹細胞的深入研究積累經驗並提供借鑒。2. isolation and cloning of mouse embryonic germ cells of icr species primordial germ cells ( pgc ) were isolation from 8. 5 - 15. 5 dpc ( days post coitum ) embryos. eg cell lines with the characteristic of murine es cell line were established and continuously cultured to 6th passage
Icr小鼠eg細胞的分離克隆研究本試驗以icr品系小鼠胚胎8 . 5 15 . 5dpcpgc為材料,經傳代培養,獲得能連續而穩定傳至6代的,具有胚胎幹細胞諸多特性的eg細胞系。Relationships between leptin in follicle fluild and ivf - et results
胚胎移植結局的關系Using the young seedlings of wild type ( wt ) and four mutants ( phya, phyb, phyaphyb and hy4 ) of arabidopsis thaliana as plant materials, the effects of light quality and kinetin ( kt ) on some photomorphogenesis responses such as cotyledon enlargement, hypocotyl growth inhibition, accumulation of chlorophyll and anthocyanin were investigated in the present study. photoreceptor functions and interaction of light and kt in the responses was examined and discussed
本文以擬南芥( arabidopsisthaliana )野生型( wt )和四種光突變體phya 、 phyb 、 phyaphyb和砂hy4為材料研究不同光質與細胞分裂素( kt )對幼苗子葉擴大、下胚軸伸長、葉綠素和花色素苷積累的影響,分析光受體參與的反應以及探討光與kt在調節各種反應中的相互關系。Development of chicken embryo fibroblast cell line resistant to j subgroup avian leukosis virus infection
亞群禽白血病病毒的雞胚成纖維細胞系建立分享友人