胚细胞

Lthough a low frequency of abnormal growthof nucellus was observed,no embryo originating from nucellus cell and integumentwas found.

PⅣ珠心组织出现低频率的异常生长现象，但未观察到由珠心细胞发育形成的不定胚。

The ovule of development is the one nucellus that make a group at first organization, because basilar segmentation is rapidder and form or two bags by the layer, bead by , other nucellus the organization laps inside and next alveolus stays in one aspect of the matter, bead aperture .

发育的胚珠最初是一整团珠心组织，由于基部的细胞分裂较快而形成一层或两层包被层—珠被，将其他珠心组织包裹在内并在一端留下一个小孔—珠孔。

NGFR appear on the day 9 and they are located in cell membrane, cytoplasm, endoplasmic reticulum, nuclear membrane and nucleoplasm. The density of gold labelling granules increase gradually as the neural tube developes.

上述结果表明，NGF、bFGF及其受体在金黄地鼠胚神经管形成和分化中按着一定的时序出现于细胞的一定部位。

Objective To understand the transcripti onal regulation of odontoblast differentiation by observing the expression of c- jun in mouse tooth germs.

目的 通过观察c-jun原癌基因在鼠牙胚中的表达，探讨成牙本质细胞分化的转录调节。

The induction of odontoblast differentiation is the key event during dental pulp repair and tooth germ development, studies on which are a highlight of endodontics.

成牙本质细胞的诱导分化是牙髓损伤修复和牙胚发育的关键环节，也是牙髓生物学的一项重要研究内容。

In an organ culture system under a three-dimensional microenvironment that provides the conditions needed for odontoblast differentiation, a row of odontoblasts can be induced Kikuchi et al.

牙胚器官培养的三维微环境可诱导形成栅栏状排列的成牙本质细胞。

The efficiency of the nuclear transfer was 63.6%(63/99).Forty-seven clone embryos were transferred into 5 recipient goats. After embryo transfer, two recipient goats have not been seen oestrous within 2 oestrum, and one of the two recipient goats was examined positive by gravid testing, which testified the clone embryos were viable in the uterus of recipient goats.

阳性细胞克隆中的2株(M9，M10)已经进行了首次细胞核移植，核移植成功率为63.6％(63／99)，将47个发育较好的克隆胚胎进行了胚胎移植，共用受体羊5只，2只受体羊2个情期未见返情，在没有返情的2只受体山羊中有1只妊娠检测阳性，说明转基因克隆胚胚胎移植后在受体山羊体内发育良好。

A hypothetical particle of heredity postulated to be the mediating factor in the production of new cells in the theory of pangenesis.

胚芽，芽球在泛生论学说中，指遗传中的一种假定粒子，被假定认为在新细胞的产生中起媒介作用

A great quantity of phosphorylase mRNA wasdistributed in endosperm cells accumulating starch grains.

在积累淀粉的胚乳细胞中磷酸化酶mRNA大量分布。

Then a reconstructed embryo was completed by the direct injection of the donor nucleus or cell without pulling out the injection pipette.

最后在不拔出注射针的情况下直接注射细胞核或完整细胞进而完成重构胚的构建。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷