胚胎发育

Homeobox gene is a sort of regulatory gene which controls embryonic development and cellular differentiation.

同源框基因是一类控制胚胎发育和细胞分化的调节基因。

Recently, progress has been made in the research into regulatory genes of embryonic development, ofwhich homeobox gene family is the most important.

近年来，国外有关胚胎发育的基因调控研究取得了初步进展，其中最主要的就是同源异型框基因。

Based on an unprecedented large-scale artificial breeding experiment on loaches in Henan Province, this paper discusses the effects of different oxytocics on induced spawning and the process of embryonic development in the course of artificial breeding.

在河南省首次对泥鳅进行了大规模人工繁殖试验，并对人工繁殖过程中不同催产剂对催产效果的影响和泥鳅胚胎发育过程作了探讨。

The condition of having the body divided into metameres, exhibited in most animals only in the early embryonic stages of development.

位变异构身体被分成一系列相同体节的状况，在大多数动物中仅存于胚胎发育的早期阶段

The proportion of embryos developing to the blastocyst stage was not significantly different between two systems, however the static microdevice environments produced significantly more morulas than did control groups.

胚胎发育成囊胚阶段在两个系统之比率并无明显差异，然而在静态微装置环境比对照组产生明显较多桑葚体。

There is similarity with the growth of the cancer cell in the growth characteristic of the mulberries embryo in embryo's development course.

胚胎发育过程中桑葚胚的生长特征与癌细胞的生长有相似之处。

The results indicate that (1) fish embryo toxicity test is sensitive to the toxicants from the water samples.

结果表明：(1)鱼卵胚胎发育毒性试验是检查废水生态毒性的敏感指标。

During the early stage of embryogenesis, FoxD1 was mainly expressed in the somites, kidney progenitor cells, brain progenitor cells and intestine.

在胚胎发育早期，FoxD3在未迁移神经嵴前体细胞、体节、耳后的基板、头部和躯干的神经嵴细胞、松果体中表达。

In mammals, the Notch signaling pathway is critical for embryonic development, as targeted disruption of Notch1 or its downstream transcription factor RBP-J in mice resulted in disorganization of somites and delayed closure of neurotube, which finally leads to early embryonic lethality.

Notch信号途径在哺乳动物的胚胎发育中起着关键的作用。

The changes of nucleic acid, protein and starch content in ovules during the longan's embryo development were studied.

对龙眼胚胎发育过程中胚珠内核酸、蛋白质和淀粉含量的变化进行了研究。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。