胚胞 的英文怎麼說
中文拼音 [pēibāo]
胚胞
英文
blastocyst-
High frequency of bud induction was found on ms medium supplemented with 6 - ba the optimum medium for adventitious bud induction was ms + l. 0mg / 1 naa + 0. 5mg / l 6 - ba, and ms + 1. 5mg / l naa + 0. 5mg / l iaa for bud rooting
門)誘導毛狀根體細胞胚再生植株。通過正交實驗篩選出了毛狀根體細胞胚誘導的最佳培養基為: ms 05mg lnaa 0 sing kt 30gil蔗糖。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。Metabolic activity quickly develops in the cells of the embryo and the aleurone layer.
胚細胞和糊粉層中的代謝活性立即活躍起來。Aleurone layer the outermost proteinrich layer of the endosperm of grass fruits ( e. g. cereal grains )
糊粉層:在谷類種子胚乳最外面的一層或幾層細胞,含有大量的糊粉粒。Newcastle disease virus ( ndv ) strain 695, a thermostable nature avirulent strain, were replicated in embryonated chicken eggsand its rna was extracted from allantoic fluid. referred to the reported sequence of f gene, a pair of primers were designed and synthesized. f gene of ndv b95 strain was amplified by rt - pcr, the pcr products were checked by agrose gel electrophoresis and purified by agrose gel fracion method
利用從國外引進的新城疫熱穩定性天然弱毒b _ ( 95 )株接種spf雞胚繁殖病毒,經處理后提取病毒的基因組rna ,參考國內外發表的ndv融合蛋白基因序列,設計一對特異性引物,經反轉錄聚合酶鏈式反應( rt - pcr )擴增出約1700bp大小的特異性片段,將此片段回收純化后,利用t - a克隆技術將其克隆到pgem - t - easy克隆載體中,再轉化大腸桿菌jm109感受態細胞,轉化后經分子量比較、 pcr鑒定和酶切分析篩選陽性克隆。Somatic cells of angiosperms enter a regenerative phase and behave like embryos.
被子植物體細胞進入一個生殖階段,而且其行為象胚。Before anthesis wall of egg apparatus is complete ; most part of egg wall at the chalazal end disappears at the day of anthesis ; after frtilization ( 20h after pollinating ) egg wall becomes intact. the results suggest that rebuilding of wall is one of the early cytological events during fertilization
結果表明,開花前藍豬耳的卵細胞的胞壁是完整的;開花時胚囊已發育成熟,此時卵細胞在合點端部分區域是裸的;受精后(大約授粉后20小時)卵細胞的胞壁恢復完整。Somatic embryogenesis and plant regeneration of anthurium andraeanum
花燭體細胞胚胎發生及植株再生研究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。From dead chickens, one virrus was isolated by using eggs and chicken embryo fibroblast. lt was able to agglutinate chicken ' s erythrocytes and this heamagglutination could be inhibited by newcastle disease antiserum. this strain ' s biological property was tested by barren spot, cross - enutralization and cross - heamagglution inhibited and it was found that it was homological with the standard newcastle disease virus ( ndv ) virulent strain and avirulent strain but it had some diference with the standard strain
本實驗採用spf雞胚及雞胚原代成纖維細胞,從河北省某雞場新城疫免疫抗體很高的病死雞的腦組織中分離得到一株病毒。此株病毒能凝集雞的紅細胞,並且這種凝集可以被特異性抗血清所抑制。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。Shortly after implantation the blastocyst wall, the trophoblast, consists of two layers of cells.
植入之後不久,胚囊的壁,即滋養細胞含有兩層細胞。The removal of a single cell from a blastocyst is not a new idea
從胚泡取出單一細胞不是一個新的想法。The technology uses a single cell taken from an eight - cell embryo known as a blastocyst
該技術利用稱為胚泡的8細胞胚胎取出的單一細胞。But the blastocyst from which it came can continue to develop into an embryo and then a foetus
但它是從胚泡移走細胞能繼續發展成為一個胚胎,胎。Chromosome analysis confirmed that blastocyst cells were derived from es donor cell
重構囊胚細胞經染色體分析,證實其染色體來源於小鼠胚胎幹細胞。The results show that the blastomere nuclei of ? xenopus laevis induces the parthenogenesis of unfertilized egg in ? bufo raddei
根據實驗分析認為,非洲爪蟾的胚胎細胞核進入花背蟾蜍成熟卵后,引起的是花背蟾蜍的單性發育。Abstract : embryos at different developmental stages are obtained by transplanting ? xenopus laevis blastomere unclei to ? bufo raddei unfertilized eggs
文摘:將非洲爪蟾胚胎細胞核移入花背蟾蜍成熟未受精卵后,得到了發育至各期的胚胎。Some brown chromatophores appeared in about 18h. the blastopore closed in 22h20min
18小時左右,出現褐色點狀色素胞, 22小時20分胚孔關閉。分享友人