胚

Objectives: Being able to simultaneously express all genes of germline, endoderm, mesoderm and ectoderm, bone marrow mesenchymal stem Cells are considered to have the potential to differentiate to other tissues and cell lines.

目的 骨髓间充质干细胞(Mesenchymal Stem Cells，MSCs)能同时表达内胚层、中胚层和外胚层等所有三个胚层的基因，具有向其它细胞和组织多向分化的潜能。

The genetic effects of the embryo and endosperm genes on rice seedling biomass at early stages were investigated in this paper.

本文利用胚和胚乳遗传模型研究了水稻早期胚后生长生物量性状的遗传控制。

Moutan has two different reproduction ways:obligate seed reproduction and amphitrophic reproduction;the dormitory of its embryo has two stages of epicotyl and hypocotyl;the dormitory could be end if it is treated with two temperature conditions.

Moutan生殖特性，具有根状茎、块根、根出条多种形式的以营养繁殖为主、种子繁殖为辅和专性种子有性生殖的两种类型；胚具有上胚轴、下胚轴两段休眠特性，打破休眠需按一定的程序和两种不同的温度条件；……。

The embryonic vessels failed to invade into the labyrinthine layer of placenta, which impaired the embryonic-maternal vascular connection. These defects could not be rescued by wild-type tetraploid blastocysts, excluding the possibility that they were due to the extraembryonic tissues.

组织免疫组化分析结果显示：毛细血管腔异常扩张，排列紊乱，不能形成大血管及细致有序的血管网络；胚外中胚层来源的卵黄囊脏层扁平上皮细胞形态变圆，与内皮细胞连接受损；胚胎血管不能侵入胎盘迷路层，胚体与母体血管连接受损。

The results showed that protuberance of fiber cells from TM-1 ovule was first appeared at the funiculus crest, then spread from the chalazal cap to the micropylar, this situation was also observed in mutants with fiber or fuzz, such as Naked seed (N1) and Ligon lintless.

结果表明棉花纤维突变体胚珠纤维分化突起与对照TM-1同样首先发生在胚珠脊突处，然后是合点处及胚珠中部，最后在珠孔端。

The middle embryonic germ layer, lying between the ectoderm and the endoderm, from which connective tissue, muscle, bone, and the urogenital and circulatory systems develop.

中胚层中间胚芽层，位于外胚层和内胚层之间，最终发育成结缔组织、肌肉、骨骼、泌尿系统及循环系统

The proembryo from zygotic cell divisions may be divided into three parts: proper, hypoblast and suspensor .

玉米合子细胞分裂形成的原胚分为胚柄、基与胚体三部分。

The PGCs of Varicorhinus macrolepis first appeared in the mesoderm of early gustrula and subsequently remained in the hypoblast of the embryonic region during late gustrula and neurula stage. At the stage of muscular effect they were found in the splanchnic mesoderm and the proceeded around the gut to the dorsal mestery during hatching stage.

结果表明：泰山螭霖鱼PGCs最早出现于原肠早期；原肠晚期和神经胚期靠近卵黄囊的内胚层；肌肉效应器迁移到脏壁中胚层的肾原基附近；临出膜期到达体腔壁，随后，沿肠系膜进入两侧的生殖嵴中。

I.sanguinea and I. typhifolia have thin seed capsules and compact endosperms. The seed testa of I, lactea is thick and keratose.

这三个种均为湿生植物：溪荪、北陵种皮较薄，但胚乳较为致密，为中生种类：马蔺种皮厚，胚乳硬实，紧紧包被种胚，具有旱生植物的特征。

The results show that lipid in megagametophyte is preferentially used during germination than lipid from embryo or seedlings and starch accumulation in cotyledon and hypocotyl functioned as temperate storage material.

在子叶中细胞质和质体果糖1，6二磷酸酶的活性都明显高于下胚轴，根和未萌发胚中细胞质和质体果糖1，6二磷酸酶的活性极低，表明子叶和下胚轴进行活跃的蔗糖和淀粉合成活动。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。