查询词典 embryo

In third stage,at maturing of the embryo sac,pollen tubes grow directionally toward micropyle into embryo sac.

然而由于技术上存在困难，有关花粉管活体状态下生长的研究很少[1]。

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。

An attenuated vaccine strain of Muscovy Duck Reovirus, which was suitable for propagating in chicken embryo fibroblast, was obtained by serial passage alternately between Muscovy duck embryo fibroblast and CEF.

应用番鸭胚成纤维细胞和鸡胚成纤维细胞交替传代选育出适应CEF繁殖的番鸭呼肠孤病毒弱毒疫苗株。

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。

The major factors affected the efficiency of goat embryo nuclear transfer technique were discussed systematically in this study in order to establish an acceptable manipulation and production system of embryo nuclear transfer technique in our lab.

本研究系统的探讨了山羊胚胎细胞核移植过程中的几个主要影响因素，以期完善山羊胚胎细胞核移植操作程序和胚胎细胞核克隆胚胎生产体系。

（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。

Different mediums should be exploi at the stage of embryo development to achieve the embryo maturation and plantlet formation.

需要在不同胚胎发育阶段变换使用不同的培养基，才能实现幼胚发育成熟和植株形态建成。

The combination of polar body and embryo biopsy does not affect embryo viability.

PGD周期中机械法和激光法活检对胚胎发育及妊娠结局的影响。

Well, certainly saw the embryo inside the uterus Xiang, embryo and fetal heart rate Pollex Mobile Holdings, which is a living, small life, of course, should not give up Baotai, progesterone production has tocolysis effectiveness of security, commonly used in the treatment due to luteal phase defect and caused by the threatened abortion and habitual abortion to good effect.

那么一定看到了子宫内的胚襄、胚芽和胎心博动，也就是一个活生生的，小生命，当然不应放弃保胎，黄体酮有安胎保产功效，常用于治疗由于黄体功能不全而致的先兆流产和习惯性流产，效果良好。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。