胚基 的英文怎麼說

In this paper the floral ontogeny and the ovary development of rivina humilis l. were observed. the results showed that ( 1 ) the tepal primordia initiated in 2 / 5 spirals. the abaxial one initiated first, then the adaxial one, finally the lateral two initiated nearly simultaneously. the third one initiated on the position near the first tepal, and there is a gap between itself and the second tepal. ( 2 ) the 4 stamineal primordia initiated in one whorl at the same time. ( 3 ) the carpellary primordium initiated from the abaxial side of flower primordium ; the carpellary primordium grew upwards and towards axis after it was formed, therefore an elliptic orifice was formed at the adaxial position of ovary, which was the remainder of the mouth of ovary before the ovary was fused completely. with the ovary maturing, the orifice was narrowed because of the ovary growth, at last fused completely. the gynoecium is composed of a single carpel. ( 4 ) in the series developmental sections of ovary, the ovular primordium was initiated on the adaxial meristem when the mouth of ovary was formed

對數珠珊瑚的花器官發生和子房的發育過程進行了觀察.結果表明: （ 1 ）數珠珊瑚花被呈2 / 5螺旋狀發生，遠軸側的1枚先發生，其次為近軸側的1枚發生，最後側方的2枚花被幾乎同時發生，第3枚花被在靠近第1枚的位置發生，第2枚和第3枚之間有1個空隙; （ 2 ） 4枚雄蕊是同時發生的; （ 3 ）心皮發生於分生組織的遠軸側，心皮原基形成后，向上向軸生長，在子房成熟前在近軸側非正中位形成1個孔，該孔為心皮最終愈合前的殘跡，到子房成熟時，因子房的生長孔被擠壓縮小，在進一步的生長過程中愈合.子房由1枚心皮構成; （ 4 ）從子房發育過程的切片看，該植物的胚珠是在子房發生后不久發生的，子房上的圓孔形成時，從近軸側的分生組織發生胚珠原基，由胚珠原基分化出珠被與珠心

Frequently the basal ovule, which is the last one to be fertilized would abort.

最後受精的基生胚珠經常敗育。

At the end of february, the bract attained approximately their full size, and a pair of anatropous ovules were initiated on the adaxial surface at the base of the fertile ovuliferous scale

2月底，苞片體積不再發生變化，珠鱗膨大端的基部的近軸面分化出2個倒生胚珠。

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。

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。

The amniotic fluid and allantoic fluid of chicken embryo have been analyzed and the resonances of most substances in them were assigned by 1 - dimention and 2 - dimention nuclear magnetic resonance ( nmr ) methods. this work could be the basis of quantitative analysis of metabolites and studying the metabolites changing between the amniotic and allantoic fluid during the hatching process. also, it provided a new way to study the process of embryo developing

用一維及二維液體高分辨核磁共振（ nuclearmagneticresonance ， nmr ）方法綜合分析了雞胚羊水和尿囊液的成分，對其中的大多數譜峰進行了歸屬，發現了一些未經報道的小分子代謝物，為研究胚胎發育過程中各個胚囊中體液的交換和小分子的代謝以及進一步對發育過程中代謝物含量變化的定量研究打下了基礎，並為研究胚胎發育的過程提供了新的思路。

It lasted for more than four months from initiation of the ovulate strobilus to formation of anatropous ovules

從雌球果原基發生到胚珠分化歷時4個多月。

Studies on genes related to embryo and endosperm development are leading us to an extensive understanding of the mechanisms of seed development and apomixis at the molecular level, which will benefits the research for yield and quality improvement of plant seeds via genetic engineering

對胚和胚乳發育相關基因的研究，可使人們在分子水平上解析種子發育和無融合生殖的分子機制，更有效地開展植物種子產量和品質改良的基因工程。

Effect of human hydrosalpinx fluid on secretion of matrix metalloproteinases in mouse blastocysts

人輸卵管積液對小鼠胚胎基質金屬蛋白酶分泌的影響

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。

Northern blot analysis shows that a 3. 2 kb transcript specific for znf323 was expressed at high levels in the lung, liver, and kidney, while weakly expressed in intestine, brain, muscle, cholecyst, heart, and pancreas

Northernbolt分析表明znf323基因在人類早期胚胎不同時期（ 18 25周）表達水平不同，在肺，腎和肝臟的表達水平較強，其它組織表達較弱。

The origin and evolution of land plants was an important event in the history of earth life and has affected all other lives on the earth and global environment. during the past two decade, the new discoveries of fossil plants microfossils and megafossils from the mid - ordovician through all silurian to the lower devonian improved knowledge of the origin of land plants, provided a time framework of the basal groups for the land plants and the early evolution diversity of vascular plants. three new plant based epochs have been recognized. on the other hand, molecular sequence studies have provided insights into the phylogeny and early branches of land plants. a phylogenetic tree has been established by the joint of a study of comparative morphology and gene sequences. this paper summarizes recent advances and new knowledges, comments on the phylogenetic studies based on the cladistic analysis

陸生植物的起源和演化是地球生命中的重大事件，它影響到地球上所有的其他生命和全球環境。在過去的20年中，從中奧陶世歷經整個志留紀至早泥盆世的巖層中，化石植物微化石和大化石的新發現改變了人們對陸生植物起源的認識，並且為陸生植物和維管植物早期演化分異提供了基部類群分化的時間框架。據此人們識別出地史中的3個陸生植物的時代：始胚植物時代始維管植物時代和真維管植物時代。

The amino acid is depleted commensurate with the development of the growing embryo.

氨基酸的消耗是同生長的胚的發育相適應的。

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。

But cluster buds can not be obtained from the callus of stems and embryo. it has likely relate to the inner structure of callus. lt is very difficult to get embryoid from mature embryo and its inducing rate is very low, and only 11. 5 % in the media containing n6 + ba 1. 5mg / l + naa 0. 5mg / l + sucrose 30g / l + agar 8g / l + ac 2g / l which is the best media for gingo tissue culture

而莖段和胚誘導的愈傷組織基本上沒有叢生芽發生，這可能和不同愈傷組織的內部結構有關。成熟胚的胚狀體誘導率較低，誘導相當困難，在n6 bai

Histology and embryology is composed of 2 related sciences

組織學與胚胎學是醫學生必修的核心基礎課之一。

The astrocyte marker gfap and oligodendrocyte marker mbp were not detected. nor the endoderm and mesoderm markers

膠質細胞標志基因gfap 、 mbp未檢測到，其他胚層的標志性基因也沒有表達。

1. characteristic properties of the plasma membrane h + - atpase 3 - d - old seedlings of etiolated mung bean ( vigna radiata l ) were harvested and the hypocotyls ( 1 - 2 cm in length ) under hook were used to prepare the plasma membrane vesicles by means of aqueous two - phase partition

綠豆下胚軸質膜h ~ + - atpase基本特性的研究黑暗條件下生長三天齡的綠豆黃化幼苗，取彎鉤下1 - 2cm長的下胚軸，機械法破碎組織，兩相分配法分離、提取和純化質膜。

In july 2002, arawana initially presented the second generation blending oil according with 1 : 1 : 1 food fatty acid ratio, based on the first generation blending oil, develops concept of health, adopts unique recipe, selects 8 kinds of materials - extracted vegetableseed oil, extracted bean oil, extracted corn embryo oil, aromatic groundnut oil, sesame oil, extracted flaxseed oil, extracted safflowerseed oil, not only retains the original flavor, but also keeps balanced nutrition, able to help human body absorb fatty acid to reach the perfect balance proportion of 1 : 1 : 1, and contains rich vitamin e, initially accords with the international standard, so it is the genuine nutrition cooking oil brewed according to standard of " food and drink guide of china civilians " in the present market

2002年7月，金魚在中國率先推出符合1 : 1 : 1膳食脂肪酸標準的第二代調和油，是在第一代調和油的基礎上，發展健康概念，採用獨特配方，精選8種原料精煉菜籽油精煉大豆油精煉玉米胚芽油精煉葵花籽油濃香花生油芝麻油精煉亞麻籽油精煉紅花籽油調和而成，不僅保有原有風味，香味濃郁，而且營養更均衡，能夠幫助人體吸收脂肪酸達到1 : 1 : 1的完美平衡比例，並且含有豐富的維生素e ，在國內率先達到國際標準，是目前市場上率先根據「中國居民膳食指南」標準調制的，是真正的營養食用油。

Transfer distance from the fundus, tdf

不同胚胎移植內管尖距宮腔基底距離