胚胎期形成的 的英文怎麼說
中文拼音 [pēitāiqīxíngchéngde]
胚胎期形成的
英文
brephoplastic- 胚 : 名詞[生物學] (初期發育的生物體) embryo
- 胎 : 名詞1 (幼體) foetus; embryo 2 (懷孕或生育的次數) birth 3 (衣服、被褥等的面子和裡子之間的襯物...
- 期 : 期名詞[書面語]1. (一周年) a full year; anniversary 2. (一整月) a full month
- 成 : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
- 的 : 4次方是 The fourth power of 2 is direction
- 胚胎 : [生物學] embryo; embryon胚胎病理學 embryopathology; 胚胎發生 embryogeny; embryogenesis; 胚胎發育 ...
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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。The protein nucleic acid complexes were identified by autoradiography for 48 h. the psg5heo and igfbp - 6 promoter pcat vectors were transfected into cos - 7 cells with iipofectamin2000 ; these cos - 7 cells where treated with 1 jxm e2, with lonm tcdd and with both lonm tcdd and 1 jxm e2, individually ; the cat protein was examined by cat - els a. results : the congenital skeletal defects in fetal rats were induced with 10 - 15ug / kg tcdd or with 100 - 140 mg / kg ra with dosage - dependence effect. the igfbp - 6 mrna in rat calvaria tissue and mc - 3t3 - el cells were increased with tcdd and ( or ) ra, whereas the cell proliferation and igf - 2 mrna in mc - 3t3 - el cells was decreased in the status of e2
結果: tcdd在大鼠胚胎發育時期具有骨骼致畸作用,骨骼發育畸形包括:內翻足、脊柱裂、顱面骨發育缺陷、無尾畸形等;隨著tcdd濃度的升高( 10一15林擴kg ) ,致畸率明顯上升( 14 . 7 %一24 . 6 % ) ; tcdd和ra聯合用藥可以增強對大鼠骨骼發育的致畸效應; e :對成骨細胞內igf一2基因有正性調節作用,對igfbp一6基因有負性調節作用, tcdd可以抑制e :對細胞內xgf一2和igfbp一6的調節作用。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。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。Docytes are formed during intrauterine life.
卵母細胞是在胚胎時期形成的。Mesenchyme - - embryonic c. t. with multipotential cells. the stellate cells are beginning to form fibers. sometimes cells are more spindle shaped. ground substance material is watery and invisible
間充質- - -胚胎時期結締組織,含有多種分化潛能的細胞這種星形細胞可合成纖維。有時細胞成梭形。基質成分呈水樣不可見。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。Human bone morphogenetic protein 3 is a member of tgf - b superfamily. lt can induce the differentiation of cartilage and bone tissue in mesenchymal cell. and is important to bone self - repairment and bone development during embryo morphogenesis. in addition, some other biological activities of hbmp - 3 have also been found. such as inducing development of embryo and stimulating differentiation of neural and blood cells. therefore, there is a great prospect in the use of hbmp - 3. there is trace content of hbmp - 3 in human body. it has been expressed in the expression system of eukaryotes and prokaryotes respectively, but its application is restricted because of defects in the process and modification after translation in prokaryotic cells and higher costs and lower yields existed in eukaryotic expression system
人骨形成蛋白3 ( hbmp - 3 )屬于tgf -超家族的一員,可以誘導間充質細胞分化為軟骨和骨,在胚胎時期骨骼發育和骨再生修復中起著重要的作用,而且對胚胎發育過程中中胚層的誘導和分化、造血組織的發育以及神經系統的發育和修復等都起著重要作用,因而hbmp - 3有廣闊的市場前景。它在人體內含量極微,盡管研究人員已經在原核細胞和真核細胞表達系統中分別進行了表達,但是由於原核表達系統缺乏翻譯后的加工修飾,真核表達系統存在成本高、產量低等特點,限制了其在臨床上的應用。The age of human development is counted from the day of fertilisation. by the eighth week, all essential internal and external structures of the embryo have appeared and the embryo can be detected with ultrasound
八周大的胚胎胚胎的發育期以受精當天計算。胚胎到了第八周,所有重要的內部和外部器官都已形成,可用超聲波測到。The first period is the embryonic period ( from around the usa was found to the middle of the 1960s ), the second period is the initial period ( from the middle of the 1960s to the end of the 1980s ), and the third is the flourishing period ( from the end of the 1980s to this day )
筆者將美國擇校制度的發展歷程分為三個階段,即美國擇校制度的胚胎期(建國前後至1960年代中期) 、美國擇校制度的初步形成期( 1960年代中期至1980年代末期)和美國擇校制度的蓬勃發展期( 1980年代末至今) 。For organs to form during embryonic development, some cells must commit suicide. without such programmed cell death, we would all be born with webbed feet, like ducks
對胚胎發育期間形成的器官來說,部分細胞必須自絕生路。如果沒有這種程序化細胞死亡,我們生下來都會像鴨子一樣有帶蹼的腳。The development process, from fertilized egg to spiracular formation can be divided into 26 stages, took 212. 94 hours under the water temperature of ( 20 0. 5 ) and 170. 95 hours under the natural temperature ( 21. 5 24 ). the external morphological characteristics in various stages of the embryonic development were similar to those of rana nigromaculata, but the hatching stage was later than that of rana nigromaculata and earlier than that of rana limnocharis
自受精卵期至鰓蓋完成期共分為26個時期,其發育歷程及各時期胚胎外形特徵與黑斑蛙基本相似,但孵化期比黑斑蛙推遲三個胚期而早於澤蛙,在水溫( 20 0 . 5 )及常溫( 21 . 5 24 )條件下,其胚胎發育的全時程分別為212 . 94小時和170 . 95小時。The branch of biology that deals with the formation, early growth, and development of living organisms
胚胎學研究活著的有機體的形成、早期發育和發展的生物學的分支However, embryos conceived from brg1 - depleted eggs exhibited a zga phenotype including two - cell arrest and reduced transcription for approximately 30 % of expressed genes
然而,由brg1蛋白缺失的卵細胞受精后形成的胚胎表現出zga表型變化,包括兩細胞期的發育停止以及近30 %表達基因的轉錄水平降低了。Neural crest cells are embryonic cells that pinch off early in development to form a variety of structures
神經嵴細胞是胚胎發育早期形成各種組織的胚胎細胞。The current study suggested that grp78 and grp94 may play a significant role in the normal development and differentiation of mouse cadiac tissues
近期的研究也提示了grp78 、 grp94在胚胎鼠心肌細胞的分化與心臟器官形成的過程中發揮了重要的作用。A diploid - dependent regulatory apparatus was proposed by prof. luo et al to regulate gene expression. the haploid condition results in obstruction of gene expression and abnormal development because the diploid - dependent regulatory apparatus will regulate gene expression in the haploid embryos according to the same rule as in the diploid embryos. to study the difference at the protein expression level of the embryos of haploid and diploid in development and to identify the important proteins associated with the embryonic development, we extracted the total proteins of both the gynogenetic haploid and diploid embryos of goldfish in the same eye formation stages ( divided into the substages of he - 1 and de - 1, he - 2 and de - 2, he - 3 and d e ~ 3 respectively )
為了研究在金魚雌核發育單倍體和二倍體胚胎發育過程中的蛋白質表達水平的差異,並鑒定一些與發育相關的重要蛋白質,我們以遺傳背景一致的金魚雌核發育單倍體和正常二倍體的相應眼睛形成的發育階段的胚胎為材料( 3個時期,分別為he - 1和de - 1 , he - 2和de - 2 , he - 3和de - 3 ) ,然後提取胚胎的全蛋白,用二維聚丙烯酰胺凝膠電泳的方法進行蛋白質點的分離,獲得了質量較好的凝膠圖譜,結果顯示大部分蛋白質點分佈在ph5 - 10 ,相對分子質量在10000 - 50000da 。The t1 - weighted and ^ - weighted magnetic resonance imaging ( mri ) have been used to study the morphogenesis of chicken embryo and other contains in the egg during the earlier hatching process. t2 values of amniotic fluid, yolk and egg white have been measured by the means of multi slice multi echo ( msme ) sequence. in - vivo " h magnetic resonance spectroscopy ( in - vivo * h mrs ) has been used to analyze the ingredients of amniotic fluid, yolk and egg white
用核磁共振成像( magneticresonanceimaging , mrl )中ti加權、 2加權成像的方法在無損的條件下對雞胚發育過程中的形態結構變化進行了研究,得到了胚胎及蛋白、蛋黃等在胚胎發育的早期結構變化的圖像,並用多片多回波( multislicemultiecho , msme )的方法測定了它們中質子的r2值,為研究胚胎的發育過程提供了有價值的參考。分享友人