Pregnancy is a complicated process, it contains the early implantation of blastocyst and the embryonic development.
妊娠是一个复杂的过程，包括早期的胚胎着床及其之后的胚胎发育。
Humans are asymmetric animals. Early in our embryonic development, the heart turns to the left. The liver develops on the right. The left and right lungs have distinct structure.
人类是不对称的动物，在我们胚胎发育的早期，心脏就转向了左边，肺则往右长，而且左、右肺具有完全不同的结构。
She had been researching mechanisms regulating early development and organ formation in mice using embryonic stem cells, which can develop into the multitude of cells that make body parts.
他在老鼠上使用胚胎干细胞研究机制调节和器官形成。胚胎干细胞能形成身体部位的多细胞。
During embryonic development, the proper ratio of excitatory and inhibitory neurons is established for optimal brain function.
在胚胎发育阶段，兴奋和抑制性神经元的适当比例确立以优化大脑功能。
In this paper, we studied the suitable temperature and highest temperature and highest temperature limits of embryonic development of the clam.
本文对四角蛤蜊胚胎发育的适宜温度和高温极限温度进行了研究。
Embryonic stem cells have been the focus in tissue engineering, developmental biology, drug development and gene research.
胚胎干细胞已成为组织工程、发育生物学、药物开发及基因研究的热点。
The Institute of kidney Research and Development here has successfully transplanted kidney through embryonic stem cell.
这个肾脏研究与开发研究所已经成功的通过胚胎干细胞进行了成功的肾移植。
During late development in embryonic period, the synthesis and secretion of DA is the prime mover to promote maturation of DA neurons.
在胚胎期da神经元发育的后期，DA的合成与分泌是促使DA神经元进一步成熟和形成功能联系的原动力。
This paper reported the embryonic and larval development of Fugu flavidus.
本文报道了菊黄东方鲀胚胎及仔稚幼鱼发育情况。
Effects of light rhythm and light intensity on hatching rate and deforming rate of larvae were not remarkable, but they all delayed or accelerated the embryonic development speed.
不同的光照节律和光照强度对胚胎的孵化率和初孵仔鱼畸形率影响不大，但是对胚胎发育速率和孵化时间具有明显的延滞或促进作用。
To start out I'm going to go back to the thinking about development a little bit, embryonic development, and show you a picture here.
作为这节课的开始，我先稍微回顾一下，一些关于发育过程的内容，先说胚胎发育，这里有张图。
The paper deals with the relationships between ambient temperature and speed of embryonic development, death rate , speed of increase of Hynobius leechii.
本文初步研究了环境温度与东北小鲵胚胎发育速度。 胚长增长速度、死亡率之间的关系。
Some researches have shown that BMP -2 is an important signal molecule in the interaction between the epithelium and mesenchyme during embryonic development.
已有研究显示BMP-2在胚胎发育中是上皮与间质相互作用的重要信号分子。
Human brain plays a crucial role in the life of individual, from embryonic development to growth, maturation and aging.
从胚胎发育到个体生长、成熟、衰老的整个生命过程中，脑组织始终发挥着十分重要的作用。
The medium volume and density affect maturation quality of oocyte and embryonic development significantly.
培养滴体积和培养密度显著影响卵母细胞的成熟质量和胚胎体外发育能力。
Results: KNJ had no toxicologic effect in the general status, body weight change, and embryonic rat development, maternal rat delivery, newborn rat as well as the development status of rat.
结果：康乃精颗粒对大鼠的一般状况、体重变化和胎鼠发育、母鼠分娩、新生仔鼠以及子代大鼠的发育状况均无任何毒性作用。
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。
The supposed recurrence of the evolutionary stages of a species during the embryonic development and differentiation of a member of that species.
在一物种胚胎个体发育和分化期间，该物种的进化阶段有假定的重演现象。
The effects of BDNF, SDNF, GM1 on growth and development of embryonic ventral mesencephalic (VM) dopaminergic neurons were studied in vitro.
本研究在体外培养的条件下研究了BDNF、SDNF、GM1对大鼠胚腹侧中脑多巴胺神经元生长发育的影响。
Embryo bisection is a powerful means in the study of cell differentiation, early embryonic development and the totipotency of embryo cell.
胚胎分割是研究细胞分化、早期胚胎发育、胚胎细胞全能性的有力手段。
To investigate the spatiotemporal expression of hypoxia-inducible factor-1 (HIF-1) during murine neurulation and explore the role of HIF-1 in the embryonic development of the nervous system.
为研究低氧诱导因子- 1 (HIF - 1)在小鼠胚胎神经胚形成阶段的时空表达规律，探讨HIF - 1在胚胎神经系统发生和发育过程中的作用。
The experiment brought up interests of students about the biological experiment and enhanced the understanding of the process of animal embryonic development.
该实验有利于培养学生对生物学实验的兴趣，加深对动物胚胎发育过程的了解。
The embryonic development of the lymphatics in mesentery of small intestine in Wistar rats is studied By using the methods of enzyme histochemistry, TEM and injection of special ink.
应用酶组织化学、透射电子显微镜及淋巴管墨汁活体注射法对大鼠小肠系膜淋巴管的发育进行了研究。
This paper reports the morphological features and development characteristics of Gymnocypris potanini during its embryonic and post-embryonic stages.
报道了松潘裸鲤的胚胎发育和胚后仔鱼发育的各期形态特征及发育特点。
Human brain plays a crucial role in the whole course of an individual's life, from embryonic development to growth, maturation and aging.
从胚胎发育到个体生长、成熟、衰老的整个生命过程中，人脑始终发挥十分重要的作用。
We conclude that isolation and identification of these differentially expressed genes will contribute to the future related research of poultry early embryonic development.
这些差异表达基因的分离与鉴定，有助于家禽早期胚胎发育的相关研究。
The compositions of protein and amino acids were measured and analyzed during the embryonic development of Cherax quadricarinatus.
采用生物化学方法对红整鳌虾胚胎发育过程中蛋白质与氨基酸的组成进行了测定和分析。
The compositions of protein and amino acids were measured and analyzed during the embryonic development of Cherax quadricarinatus.
采用生物化学方法对红整鳌虾胚胎发育过程中蛋白质与氨基酸的组成进行了测定和分析。
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