胚细胞

In the culture of the protoplast, the first division occurred within 3 to 5 days, and the embryogenic cell cluster could be observed 30 days after culture.

叶肉原生质体培养，在3—5d开始第一次分裂，并能持续分裂至形成胚性细胞团。

We mainly to cured on the mechanism of kidney development, inducing of embryonal kidney development in vivo as well as the status in quo of using stem cells in kidney diseases therapy.

包括：体外诱导胚肾组织发育；体外诱导干细胞向肾脏细胞的分化；骨髓、成体肾和胚胎肾来源的干细胞用于肾脏疾患治疗的研究。

Considerable progress has been made in the production and use of rabies vaccines in the past century from nerve-tissue vaccines、embryonated egg vaccines to cell-culture vaccines.

在过去的一个世纪里，狂犬病疫苗研制及使用取得了巨大进步，先后经历了神经组织培养疫苗、禽胚疫苗和细胞培养疫苗的发展阶段。

Classically, embryonated eggs and primary monkey kidney cells have been the isolation methods of choice for influenza viruses, although some continuous cell lines may be used.

通常，鸡胚和原代猴肾细胞培养是分离流感病毒的首选方式，一些传代细胞株也可用于流感病毒的培养。

Due to the insufficient supply of embryonated chicken eggs, the preparation of large quantities of inactivated influenza vaccines will require an alternative virus culture system after the emergence or reemergence of a pandemic influenza virus.

当流感病毒大流行的时候，用鸡胚培养方法生产的流感灭活疫苗不能满足大规模的需求。需要探索新的流感病毒培养基质。Vero细胞已作为多种人用疫苗的生产基质。

With various combinations of HA, NA genes, we successfully generated high-yield reassortant viruses rgH1N1, rgH4N6 and rgH3N8 in embryonated eggs and MDCK cells.

基因替换后成功拯救出的重组病毒rgH1N1、rgH4N6和rgH3N8在鸡胚和细胞上均具有较高的增殖能力。

A virus strain with high hemagglutinin titer was isolated out from embryonated egg and MDCK cells after they were inoculated with the lung tissues of the died marmosets.

在排除细菌感染的基础上，通过死亡狨猴肺组织匀浆接种鸡胚和MDCK细胞的分离培养，分离出一株具有很高血凝效价的病毒株。

Methods: Influenza viruses were isolated with the means of cultured in MDCK cell and embryonated eggs. The cross hemagglutination inhibition test was used for antigenic analysis and determined nucleotide sequence of HA1 genes of the influenza A (H3N3) virus.

采用MDCK细胞培养和鸡胚培养法分离流感病毒，交叉血凝抑制法进行抗原分析，对甲3型流感病毒的HA1血凝素基因作了核苷酸序列测定。

A virus strain with high hemagglutinin titer was isolated out from embryonated eggs and MDCK cells after inoculating with the lung tissues suspension of the dead marmosets.

在排除细菌感染的基础上，通过死亡狨猴肺组织匀浆接种鸡胚和MDCK细胞的分离培养，分离出一株具有高血凝效价的病毒株。

However, when the oropharyngeal membrane, which forms a sharp ecto/endodermal border, is broken, the fate of these cells is poorly known.

但当作为外胚层和内胚层界限的口咽膜破裂后这些牙齿形成细胞的发育知之甚少。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。