chorda mesodermal canal

用法例句

Observation on formation and development of autotetraploid rice embryo sac using Laser Scanning Confocal Microscope;

利用激光扫描共聚焦显微镜观察同源四倍体水稻胚囊的形成与发育

The fertility,formation and development of mature embryo sacs in the hybrids between Oryza sativa subsp.

利用整体染色激光扫描共聚焦显微术(WE-CLSM),对广东高州普通野生稻与粳稻台中65杂交F1的成熟胚囊育性、胚囊形成发育及受精特点进行研究。

In order to find out the cause of low fertilization rate of Mopanshi, the pollen germination and pollen tube growth in style on persimmon cultivars Nishimurawase, Zenjimaru, Hanagosho and Mopanshi and the embryo sac development of Mopanshi were observed by means of fluorescence microscopy and with paraffin sections.

通过观察西村早生、禅寺丸和花御所3种甜柿自交及与磨盘柿杂交的花粉管荧光和磨盘柿胚囊发育的石蜡切片,分析磨盘柿受精率低的原因。

Effect of Vitrification Mice Early Blastocysts Using Three Methods;

三种玻璃化冷冻法保存小鼠早期囊胚的效果观察

Isolation of embryonic stem cells from inner cell mass of porcine blastocysts;

由猪囊胚内细胞团分离胚胎干细胞的研究

AIM To study the isolation and in vitro culture of rabbit s bone mesenchymal stem cells (BMSCs) and adipose stromal stem cells (ASSCs) and the use of both BMSCs and ASSCs cells in nuclear transfer (NT) to produce totipotent blastocysts.

目的　研究非休眠期成年兔骨髓基质干细胞和脂肪基质干细胞作为供体 ,以体外成熟去核兔卵母细胞作为受体进行核移植构建重组胚胎的可行性及囊胚形成率 。

The formation of a gastrula from a blastula by invagination.

内陷囊胚翻转形成胚囊

the process in which a gastrula develops from a blastula by the inward migration of cells.

由于细胞向内移动囊胚形成胚囊或肠胚的过程。

Embryo sac and embryo development and embryo rescue in Lilium distant cross

百合远缘杂交的胚囊和胚胎发育及胚拯救

Starch grains present in the embryo sac and placenta are utilized by the embryo.

存在于胚囊和胎座中的淀粉粒为胚胎所利用。

The embryo sacs observation is one of the main study method for embryology.

胚囊观察是植物胚胎学的主要研究方法之一。

With embryo sac haustorium in chalazal end,the embryo sac is Endymion type.

胚囊发育类型为英地百合型 ,合点端形成胚囊吸器。

The fluid-filled, central cavity of a blastula.

囊胚腔囊胚中充满液体的中心的洞

The central portion of an ovule in which the embryo sac develops;the megasporangium.

珠心胚珠的中心，胚芽囊在此发育；大孢子囊

double-walled stage of the embryo succeeding the blastula.

囊胚发育之后的双层胚胎。

Progress of Blastocyst Culture and Blastocyst Transfer

人类囊胚期胚胎培养-移植的研究现状

The outer layer of a blastula that gives rise to the ectoderm after gastrulation.

外胚层囊胚的外层，在原肠胚形成之后生后外胚层组织

The modified blastula that is characteristic of placental mammals.

胚泡转化的囊胚，为胎盘哺乳动物的特征

Isolation of embryonic stem cells from inner cell mass of porcine blastocysts

由猪囊胚内细胞团分离胚胎干细胞的研究

Control Study on CultUre and Transfer between Blastocyst Stage and Cleavage Stage;

囊胚期与卵裂期胚胎培养及移植的对照研究

Study of Mouse Morulae and Blastocysts Cryopreservation;

小鼠桑葚期和囊胚期胚胎冻存方法的研究

In Vitro Production of Embryos and Development of Parthenogenetic Blastulas in Pigs

猪胚胎体外生产和孤雌囊胚发育能力的检测

Separation and In vitro culture of the cells of blastula and gastrula from the penaeid shrimp,Fenneropenaeus chinensis

中国明对虾囊胚和原肠胚细胞的分离和培养

Study on Blastocyst Cryopreservation and Effect of the Frozen-thawed Process on Ultrastructure of Human Blastocyst;

囊胚冷冻及冻融过程对人类囊胚超微结构影响研究