胚胎发育

The most anterior of the three primary regions of the embryonic brain from which the telencephalon and diencephalon develop.

前脑大脑胚胎三个主要区域中最靠前的一个，端脑与间脑从这里发育

In order to explore the methods of evaluating of environmental hormone,this study investigated the effects of diethylstilbestrol on the development of the sexual organ of chicken embryos.

为探讨环境激素的评价方法，研究了己烯雌酚对鸡胚胎性器官发育的影响。

It is concluded that many genes both known and unknown are differentially expressed in human embryonic aorta-gonad-mesonephros-derived stromal cells.

筛选agm区基质细胞中差异表达的基因为进一步研究胚胎造血发育的分化调控的分子机理提供了必要的理论基础。

An inward fold on the surface of the embryonic ectoderm that develops into part of the anal passage.

原肛肛道胚胎消化道表面的凹陷，发育成直肠的一部分

The results indicate that day 5 p.c.primitive ectoderm cells are able to participate in embryogenesis after be-ing introduced into day 4 p.c.blastocysts and result in the production of adult chimeras.

嵌合体与C_(57)BL/6 J小鼠交配后所得的结果表明，原始外胚层细胞在嵌合体内能形成有功能的配子。上述结果说明，原始外胚层细胞与内细胞团细胞、体外培养的胚胎干细胞一样，具有发育全能性。

Transforming growth factor-β is a multifunctional cytokine with widespread distribution in body.Its biological effects are different according to different tissue,which includes the regulation of embryogeny,allelotaxy,tissue repair and body immune.Transforming growth factor-beta-β has been the study target of human aging.

转化生长因子-β是一类多功能细胞因子，在体内分布广泛，在不同器官的细胞中有着不同的生物学效应，其涉及到胚胎发生、器官发育、组织修复以及机体免疫等调节过程，该细胞因子已经成为衰老研究的一个靶点。

Morphologically, embryonic stem cells developed from unicells into compact three-embryonic layer embryoid body and into incompact cell population.

胚胎干细胞在形态学上由单细胞发育为致密的包含3胚层结构的拟胚体，再继续分化为松散的细胞群落。

Broad ligament defects are classified as congenital or acquired. Congenital cases have an embryologic basis due to a developmental peritoneal defect around the uterus.

阔韧带缺损分先天性的和获得性的，先天性缺损的病人其胚胎学基础是子宫周围的腹膜发育缺损。

Schematic representation of the normal embryologic deelopment of the heart according to de la Cruz et al.

按照de la Cruz等人的观点心脏胚胎正常发育的示意图。C，圆锥；T，动脉干；PR，肺静脉回流；SR，体静脉回流。

It is common knowledge that the first cells formed during mammalian ontogenesis have embryological equipotentiality.

在哺乳动物的个体发育期间第一细胞形成有胚胎学等势是平常普通的常识。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。