胚胎发育

According to the characteristics of totipotency , differentiation out of body and the steady transmissibility of the ES cells, we can see wide application prospects of the ES cells which could be used to build the model of early diffierentiation out of body and the model of transgenic animal ,to restore apparatus and tissue and transplant therapy, to produce clone animal and research .

人们利用ES细胞所具有的全能性、体外分化以及稳定的遗传性能等特点，展示了ES细胞在建立哺乳动物的早期胚胎体外分化模型、转基因动物模型、器官和组织的修复与移植治疗、克隆动物的生产、发育生物学的研究等方面广阔的应用前景。

The reprogarmming of embryonic genome is likely the molecular foundation of the transition of highly differentiated oocytes into totipotential embryonic blastomeres.

基因表达的&再程序化&可能是高度分化的卵母细胞转变成胚胎中具发育全能性分裂球的分子基础。

Trigonocephalus is an important prey for many aquatic animal species at the Yangtze River estuary.

纹缟虾虎鱼广泛分布于长江口水域，是许多水生动物的重要饵料，在长江口水生生态系统中具有重要地位。2007年在人工繁殖基础上系统研究了长江口纹缟虾虎鱼胚胎与仔鱼的发育特征及其与温度、光照、pH等生态因子的关系。

The ontogeny of hemopoietic and immune organs in the Chinese soft shelled turtl e, Trionyx sinensis , was studied and the morphological characteristics of tw o to three embryos from each embryonic stage described with histological examination .

采用常规孵化的中华鳖胚胎为材料，对不同发育时期造血和免疫器官进行了组织学研究，描述了卵黄囊、胸腺、肝、脾、肾以及骨髓的形态结构变化。

Observation were made on the fertilization and embryo development in wide hybridization between Triticum aestivum L.

本文还报道了小麦与节节麦远缘杂交时雌雄性核的结合及杂种胚和胚乳的发育情况，探讨了小麦与节节麦杂交结实率低在胚胎学方面的原

Dorsal enclosure go along the blastokinesis anaphase andaccomplishes at the same time at 48th hour; The embryo eats up yolk unenveloped into themidgut before hatching.

背合在胚动的后期进行，在48h胚动与背合同时完成；在桔小实蝇卵孵化前，胚胎的发育主要是通过未包入中肠的卵黄供给营养。

After lock out of the 5LO gene by homologous recombination in embryonic stem cells, 5LO deficient-mice can develop normally and stay healthy, with a selective opposition to certain inflammatory insults. The cellular distribution of 5LO in unstimulated cells among different cell types is different; it can present in the cytosol, the nucleus, or both.

采用同源重组方式敲除胚胎干细胞中的5-脂氧合酶基因，小鼠能正常生长和发育，但对某些炎症损伤的反应性与正常小鼠不同。5-脂氧合酶在不同的细胞中表现出不同的亚细胞定位，分布于胞质或胞核，或两者都有。

The ISH results show that silkworm vasa expresses only in germ cell lines e.g.

家蚕vasa基因在发育胚胎的生殖系存在部位有明显的杂交信号。

These results indicated that the effect factor of Rac1 on the vasculogenesis of EBs was to inhibit cell migration which probably mediated by F-actin mechanism.

以上结果提示，Rac1影响胚胎早期血管发育的因素是抑制细胞游走，后者可能是通过F-actin机制所介导。

On the basis of purification and immunity of vitellin, antibodies of vitellin were obtained and used to measure the concentration of vitellin in embryo in different stages of embryonic development by enzyme-linked immunosorbent assay.

在采用纯化的卵黄磷蛋白免疫兔子而获得其抗体的基础上，运用酶联免疫吸附检测法(enZyme一linked ilnlnunosorbent assay，ELISA)分析测定了发育过程中胚胎内卵黄磷蛋白的含量。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。