查询词典 embryo

But,some functional cells containdistinct starch grains like mature megaspore and single nucleate embryo sac which isin the station before division.

同样，从单核胚囊分裂开始到八核胚囊刚形成也未观察到淀粉粒。

The megaspore mother cell is located at the 3rd or 4th layer of cells in the nucellus top end. It divides transversally to form a linear megaspore tetrad, and the megaspore at the chalazal end develops into the embryo sac mother cell.

大孢子母细胞位在珠心顶表皮下第三或四层细胞处，经横分裂后产生一直线形的大孢子四分体，其中位居合点端的大孢子发育成胚囊母细胞。

An immunohistochemistry method and image analysis were employed to explore the expression of Caspase3 in the neuroepithelial and mesenchyme cells of each embryo.

用免疫组织化学法和图像分析技术对各组鼠胚的神经上皮和周围间充质细胞凋亡相关蛋白Caspase3的表达进行定性、定位和半定量观察。

Stigma sessile. Drupe mesocarp thinly fleshy; embryo with 3 cotyledons.

柱头无梗。核果的中果皮薄肉质；胚具3子叶。

The middle germinal layer of an early embryo,consisting of undifferentiated cells destine d to become the mesoderm.

中胚层早期胚的中间胚芽层，由最终将发育成中胚层的未分化细胞组成

It has foundβ1,4-GalTⅠas a recognition molecule participated in the adhesion and spreading of cell, recognition of sperm-ovum, growth of nerve neurite, the formation of tissue and tumor metabasis as an adhesive molecule. Embryo implantation is similar to tumor metabasis and invasion.

细胞表面的β1，4-GalTⅠ作为一种黏附分子，参与细胞黏附、铺展、精卵识别、神经轴突生长、组织形成和肿瘤转移，而胚胎着床与肿瘤转移、侵袭过程非常相似。

The second of the three excretory organs that develop in a vertebrate embryo,becoming the functioning kidney in fish and amphibians but replaced by the metanephros in higher vertebrate s.

中肾在脊椎动物胚胎内发育而成的三对排泄器官中的第二对，作为功能肾存在于鱼类和两栖类体内，但在更高级的脊椎动物中则发育成后肾

Decidual tissue is a very complex and highly concordant tiny environment between mother and embryo during pregnancy, which is constituted of the variety cells such as extravi11ous trophoblast,endometrium cells, bone marrow cells, decidua l microphage,T cells and a few B cells and so on.

正常蜕膜组织是母-胎界面间一个非常复杂而又高度协调的微环境，它由多种细胞如侵袭至蜕膜的绒毛外滋养细胞(extravi11ous trophoblast，EVT)、子宫内膜源性细胞(如上皮细胞和血管内皮细胞)、骨髓源性细胞(如大颗粒淋巴细胞、蜕膜巨噬细胞、T细胞和少许B细胞)构成，这些细胞以及由这些细胞、母体和胎儿所分泌到蜕膜的细胞因子共同形成了母-胎间信息交流的平台，并对胚胎滋养细胞"有控性"侵袭、子宫内膜的免疫容受性、蜕膜化和胎盘的形成进行精细的调控。

The thesis work is to investigate the connection of [Ca2+]cyt and fertilization by avoiding drawbacks noted above, say, employing an ideal experimental plant, Torenia fournieri , with a naked embryo sac that protrudes from the micropyle.

因此，材料本身的结构限制和研究手段的限制使得植物双受精过程中胚囊内胞质游离钙的研究相比之下显得落后。

Antipodal cells The three haploid cells found in the embryo sac of seed-bearing plants that migrate to the chalaxal end of the sac farthest from the micropyle.

反足细胞：胚囊三次分裂形成卵细胞，助细胞和极核等，其中位于合点端的三个单倍体细胞称反足细胞。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。