embryonic development

Mammalian primordial germ cells form and migrate to the gonad during embryonic development.

在胚胎发育时期,原始生殖细胞形成并迁移至生殖腺,形成种系囊.

Embryonic chicken is a good model for the study on the embryo development for vertebrates.

鸡胚是脊椎动物胚体发育研究的主要模式材料，在发育生物学研究中具有较高的地位。

The velocity of the embryonic development is accelerated as thetemperature, at 20-33℃, is increased.

在适宜温度范围内,随着温度的升高,胚胎发育速度加快,在水温30℃时, 胚胎发育的速度比在20℃时快一倍.

Embryonic development is a very complicated and coordinated physiological process.

胚胎发育是非常复杂而且变化极为协调的生理过程.

Chordates are bilaterally symmetrical, triploblastic segmented coelomates which demonstrate a deuterostomic pattern of early embryonic development.

脊索动物两侧对称 、 胚层,分节的体腔,在胚胎发育的早期过程中,显示为后口类型.

Each layer gives rise to specific tissues embryonic development.

每个胚层产生特殊的胚胎组织.

Embryonic development seems to be controlled principally by a very small number of master genes.

胚胎发育似乎主要受制于少数主导基因。

However, it remains unclear how the Nodal signaling is controlled precisely during embryonic development.

然而, 在胚胎发育中Nodal信号的强度是如何受到精确调控的,目前尚知道的不多.

Method This study is aimed at the technical treatment with chemical, physical and hormone factors during tail bud period in the process of embryonic development.

方法本研究在中国林蛙胚胎发育的尾芽期，用化学、物理和激素因子进行技术处理。

Homeobox gene is a sort of regulatory gene which controls embryonic development and cellular differentiation.

同源框基因是一类控制胚胎发育和细胞分化的调节基因.

Animal cells lose their totipotency at an early stage in embryonic development.

动物细胞在胚胎发育的较早阶段便失去了其全能性.

While iPS cells may be even further from commercialisation than embryonic stem cells as direct therapy for patients, there are more immediate applications for pluripotent cells in research and development.

虽然与胚胎干细胞相比，诱导多能性细胞距直接用于病人治疗的商业化更为遥远，但诱导多能性细胞在研究和开发中却有更直接的应用。

VEGF is essential for embryonic development, endochondral bone formation, female reproductive functions.

VEGF也是胚胎发育 、 软骨内骨形成 、 女性生殖系统、以及肿瘤和眼球内血管新生所必需的.

Germination inhibitor may inhibIt'seed embryonic development; it would not relate to physiological after-ripening.

萌发抑制物的存在可能抑制了种胚发育, 而与生理学后熟过程无关.

Embryonic development of the dorsal skin of Crocodylus prosus

澳大利亚产湾鳄（Crocodylus prosus）背部皮肤的胚胎发生