形成原肠胚

A independent life individuality is finally formated from singlecell ferti1ized egg throngh egg cleavage、morula stage、blastocoele stage、protogaster stage and orange etc, and concerned in major basal questions of development and gene expression.

单细胞的受精卵通过卵裂、桑椹胚、囊胚、原肠胚及器官的发生等，最后形成一个能独立生活的个体，涉及发育和基因表达的许多基本问题。

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 formation of a gastrula from a blastula by invagination.

外胚层囊胚的外层，在原肠胚形成之后生后外胚层组织

The rearrangement of the blastula into a three-dimensional organism with inner middle and outer layers occurs during gastrulation.

在原肠胚形成过程中，囊胚重新排列，形成包括内层，中层，外层的三围组织。

Fibroblast growth factor from the extraembryonic endoderm (hypoblast, a cell layer unique to amniotes) directs the expression of Wnt planar-cell-polarity pathway components to the intercalation domain.

尤其是，这项工作显示了一个原肠胚形成之前的早期插入事件，它可能是回答关于羊膜动物原始条纹是怎样从远古胚孔演化而来这样一个经典问题的关键。

The infolding of a portion of the outer layer of a blastula in the formation of a gastrula.

外胚层囊胚的外层，在原肠胚形成之后生后外胚层组织

The infolding of a portion of the outer layer of a blastula in the formation of a gastrula.

肠套''。'叠'。''在原肠胚形成过程中囊胚的外层的折叠部分

Bone morphogenetic proteins, members of the TGFβ(transforming growth factor-β) superfamily, play important roles in gastrulation and neurulation during embryonic period.

骨骼型态发生蛋白质(bone morphogenetic proteins， BMPs)是转型生长因子β族(transforming growth factor-β，TGF-β)的一员，其在胚胎时期的原肠胚形成及经轴胚形成过程中扮演重要角色。

The Collaborative Program in Developmental Biology is primarily dedicated to research and education in Developmental Biology including amphibian gastrulation, molecular control of hematopoiesis, lymphocyte lineage commitment and cell development, hematopoietic stem cells, lymphocyte development, cell enlargement and cell differentiation, vertebrate embryogenesis, developmental neurobiology.

动物学系发育生物学合作研究组主要致力于两栖动力原肠胚形成，造血作用的分子控制，淋巴细胞血统定型和细胞发育，造血干细胞，淋巴细胞发育，细胞生长和细胞分化，脊椎动物胚形成，发育神经生物学等。

The Collaborative Program in Developmental Biology is primarily dedicated to research and education in Developmental Biology including amphibian gastrulation, molecular control of hematopoiesis, lymphocyte lineage commitment and cell development, hematopoietic stem cells, lymphocyte development, cell enlargement and cell differentiation, vertebrate embryogenesis, developmental neurobiology.

动物学系发育生物学合作研究组主要致力于两栖动力原肠胚形成，造血作用的分子控制，淋巴细胞血统定型和细胞发育，造血干细胞，淋巴细胞发育，细胞生长和细胞分化，脊椎动物胚形成，发育？？？经生物学等。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。