查询词典 in embryo

In the functional cell such as archesporial cell,megasporocyte,dyad,tetrad and youngmegaspore,among which the three cells close to micropyle end do not degeneratewholly,no clear starch grains were observed as well as in the embryo sacs from singlenucleate embryo sac to 8-nucleate one just forming.

淀粉粒变化有规律性，在孢原细胞、大孢子母细胞、二分体、四分体和早期的大孢子（即四分体中近珠孔端的3个细胞未完全退化）等功能性细胞中未观察到明显的淀粉粒。

Embryo sac A large oval thin-walled sac in the nucellus of flowering plants in which egg fertilization and subsequent embryo development occurs.

胚囊：是存在于显花植物胚珠珠心中的一个大型椭圆状的囊状结构，卵细胞受精和随后的胚胎发育均在这里进行。

（1）Cadmium can enter embryo by permeating placenta barrier and enter brain partly and oosperm can not develop as embryo in the high dose group.（2）The decreasing of some neural transmitter and capacity of anti-oxidation are related to the content and contribution of zinc in embryoes.

（1）镉可透过胎盘屏障和部分透过血脑屏障，高镉可致受精卵不能发育为胚胎；（2）母鼠染镉可致胎鼠脑组织5-HT合成减少，抗氧化能力减弱；这些改变与锌的含量和分布改变有关。

But the embryo in the oviduct was observed to be un-synchronization in development with a proportion of embryo loss.

在低剂量时观察到的强烈生殖毒性应该与TCDD在子宫组织中的蓄积和子宫内敏感的细胞色素P4501A诱导能力有关。

Axial elongation of inner isodiametric cells of the globular somatic embryo followed by the change in the growth axis of the procambium was an important event in heart-shaped or oblong-stage somatic embryo.

球形胚内部等径细胞轴向延长，接着前形成层生长轴发生变化，这些是心形胚或椭圆形体胚中的重要事件。

To estabish reproduction and breeding system in the spottdc deer;(2)To conduct frozen preservation of the spotted deer's semen and embryo;(3)To conduct development of artifical insemination and embryo transfer by demonstration in the spotted deer;(4)Study on nutrition requrement and the application of mordern nutrition modulation technique;(5)To estabish significant deseases testing and preventive systems;(6)To estabish adminastrative software of computer system.

项目简介：(1)建立梅花鹿良种繁育体系；(2)进行梅花鹿精液及胚胎的冷冻保存；(3)进行梅花鹿人工授精和胚胎移植技术的示范推广；(4)梅花鹿营养需要的研究和现代营养调控技术的应用；(5)建立梅花鹿重大疫病检测预防体系；6_建立梅花鹿计算机管理软件系统。

To understand the degeneration of unfertilized aposporous embryo sac in an aposporous species Pennisetum squamulatum, the central cell in the unfertilized embryo sac was characterized ultrastructurally.

为理解植物无孢子生殖胚囊未受精条件下的退化，对无孢子生殖植物非洲狼尾草未受精成熟胚囊中央细胞退化做了细胞形态学研究。

Relationship between longans embryo development and changes of polyaminesThe thesis also studied the relationship between longan embryo development and contents of polyamines . Experiments showed that the contents of polyamines in normal ovules were higher than those in abortive ones during the whole embryogenetic process.

龙眼胚胎发育与多胺的变化研究了龙眼胚胎发育与多胺含量的关系，结果表明：正常发育的胚珠中多胺含量在胚胎发育的各个时期均高于败育胚珠。

With the development of embryo, the expression of Rb have a darker colour in the epidermic cell of kidney. The cell proliferation increased greatly in the 13th day. The possible function of Rb might be correlated to the developmental process of middle embryo kidney.

据估计，与哺乳动物胚胎发育有关的基因有上万个，但已知其结构和功能的发育基因为数很少，涉及发育和基因表达的时空调控问题仍然不清楚。

In order to understand these differences on gene transcript level, even to get the genes and their expression related to cell culture, we researched the differences of total mRNA of these tissues by RAPD-PCR, the result showed that the difference between embryo and head of nymphae was much closer than embyo with others, which was accorded to the time order of insect upgrown, and the tissue which is more different from embryo on transcript level ismore diiBcult to be cultured in vitro.

四种组织的培养难易程度和分离出的细胞形态的不同，说明存在着组织表达的差异，为了从转录水平上来认识它们的差异，甚而获得与细胞培养难易相关的基因及其表达产物，本实验还采用了RAPD分析的方法进行了这四种组织：中后期虫卵胚胎、若虫头部组织、成虫的精巢和卵巢的mRNA表达差异研究，结果表明：从发育方向上看，四种组织的表达差异有分化越大差异系数越大的趋势，而在相同条件下则越难培养。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。