次级细胞来自一个细胞库。
只有次级卵母细胞会预期进一步成熟。
Only the secondary oocyte is destined for further maturation.
目的研究次级淋巴组织趋化因子(SLC)基因转染对小鼠恶性黑色素瘤细胞生物学特性的影响。
Objective To investigate the effects of secondary lymphoid organ chemokine (SLC) gene transfer on the biological characteristics of murine melanoma cells.
植物资源较好的开发利用途径是通过植物次级代谢物的细胞工程。
Cell technology of secondary metabolites is a better way in exploitation and utilization of plant resources.
并将组织者区域的细胞移植到宿主胚胎中，验证其诱导次级胚胎的能力。
Four types of the of grafts from the organizer area were transplanted into host embryos to see if the epiblast or hypoblast of the organizer area had an ability to induce a secondary embryo.
结果表明：无论是注入离子本身的射程，还是次级电子、自由基扩散、高温热穗、级联原子和冲击波等次级作用范围都无法触及表皮下面的胚细胞。
The results show that no matter the range of the implanted ion itself or secondary effect sphere of secondary electrons, radical diffusion, thermal spike, cascade atoms and shock wave etc.
以肺腺癌细胞系a2为抗原进行4轮筛选，得到富集的次级噬菌体表达文库。
After 4 rounds of screening with lung adenocarcinoma cell line A2 as antigen, an enriched secondary phage display library was obtained.
次级胚状体的形成又影响了体细胞胚的成苗数。
The formation of the second embryoids influences on the number of the formation shoot.
超微结构检查发现，两组金属夹动物的肝细胞内高密度次级溶酶体增多，银夹明显重于钛夹。
With metal clips the ultrastructure of experimental hepatic tissue demonstrated increment of secondary lysosomes with high density, particularly in animals with silver clips.
肺泡巨噬细胞次级溶酶体明显增多。
In alveolar macrophage the increasing secondary lysosomes are seen.
然后两个具有竞争性质的“次级信号”之一激活产生一类细胞的基因表达，同时抑制产生另一类细胞的基因表达。
Then one of two rival "secondary factors" activates the genes that lead to one cell type and shuts down the genes that lead to the alternative.
选用陕北黑山羊的4 - 32细胞胚和萨能奶山羊的次级卯母细胞分别作核供体和胞质供体。
The secondary oocytes from Saanen dairy goats and 4-32 cell embryos from Shaanbei black goats were used as cytoplast donors and karyoplast donors respectively.
在次级精母细胞时期，胞质内出现致密的前顶体颗粒；
At the stage of secondary spermatocyte, electron densed proacrosomal granules were found in the cell.
初级卵膜源于卵母细胞，次级卵膜由晚期滤泡细胞分泌形成。
The secondary envelope may be deposited on the primary envelope surface and it is formed by the substances secreted from the granules cells.
目的探讨人次级淋巴组织趋化因子浓度梯度对肿瘤细胞免疫逃逸的影响。
Objective To explore the effects of SLC concentration gradient on suppression of tumor immune escape.
次级精母细胞经短暂的发育过程很快形成精细胞。
The secondary spermatocytes become the spermatid quickly by short time development.
黄曲霉毒素主要是由黄曲霉和寄生曲霉产生的次级代谢产物，具有致癌、致畸、致细胞突变的“三致”作用，一直都受到各国的关注；
The aflatoxins are second fungal metabolites with highly toxic and carcinogenic properties produced by some strains of A. flavus and A. paraticus which are attented by all countries in world.
研究表明植物的次级代谢易受环境的影响，逆境因子可以促进细胞次级代谢产物的合成。
The key for producing bioactive compounds in large-scale using plant cell culture technology is to improve the production of the desired metabolites.
工蚁在次级精母细胞中最高，在精原细胞和初级精母细胞中较低。
In the workers, a strong expression of Bcl-2-like was shown in secondary spermatocytes, and a lower expression level in spermatogonia and primary spermatocytes.
工蚁在次级精母细胞中最高，在精原细胞和初级精母细胞中较低。
In the workers, a strong expression of Bcl-2-like was shown in secondary spermatocytes, and a lower expression level in spermatogonia and primary spermatocytes.
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