在胚胎发育过程中，细胞会发生增殖，然后器官形成。
During development of an embryo, cells proliferate and organs grow.
对愈伤组织的起始和器官形成过程进行了组织学观察。
Histological observations on the processes of callus initiation and organogenesis have been made.
结果显示硒对器官形成早期的胚胎具有明显的时间-效应关系。
The results inllustrated that there was an obvious exposure time-dependent embryotoxic effect of Se on the developing rat embryos in vitro.
在系统进化和个体发育过程中，人的感觉器官形成了特定的构造。
Human sense organs have formed specific structures during the process of systematic evolution and individual development.
组织与器官形成不同种类的抗体，每一种抗体从事一项特定的工作。
The tissues and organs form different kinds of antibodies, each of which does a specific Job.
从植物学的观点来看，光合作用和器官形成是植物生长过程中的两个主要部分。
From botanical point of view, photosynthesis and organogenesis are main functions for plant growth.
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。
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.
根据制造公司发表的新闻，相较于骨器官形成的蛋白质产品，本项产品是一较便宜的选择。
According to a company news release, the product is intended to provide a less expensive alternative to bone morphogenic protein products.
茎段培养在MS或改良MS基本培养基中，研究植物激素对器官形成的影响及试管苗移栽技术。
Their stem explants were grown in MS or modified MS basal medium. The effects of plant hormones on organogenesis and transplanting of test-tube plantlets were studied.
转录因子以组织特异性和定量的方式调节其它器官形成和发育，从而在胚胎发育过程中起主要的调节作用。
Transcription factors can regulate the expression of other genes in a tissue-specific and quantitative manner and thereby serving as major regulators of embryonic developmental processes.
安德森医学博士在第一个三个月孕期内没有给孕妇化疗，这时期是胎儿的重要器官形成期，出生缺陷的风险是最高的。
Chemotherapy is not given at M. D. Anderson during the first trimester of pregnancy, when vital organs are still forming and the risk of birth defects is highest.
绒毛膜滋养层细胞的特性及近期发现的滋养层干细胞，使它们成为一个研究细胞分化和器官形成的理想的遗传学平台。
The feature of HVT together with the recent establishment of trophoblast stem cells makes them an ideal genetic platform to study cell differentiation and organogenesis.
在有腭脊椎动物中，此系统还有第二系统辅助，即一般所称之适应性免疫，其包含免疫细胞与器官形成的特殊防御网络。
In jawed vertebrates, this system is supplemented with a second system, known as adaptive immunity, which involves a specialized network of immune cells and organs.
宝宝的大脑，脊髓，心脏和其他器官在怀孕不久，甚至在你知道自己怀孕以前，开始形成。
Your baby's brain, spinal cord, heart and other organs begin forming soon after conception, even before you know you're pregnant.
但是肺的复杂性要超过这两种器官，肺里有几种不同的细胞，要分别形成细微的、头发丝一样的毛细血管，和迂回曲折的分支状的气囊。
Lungs are more complex than either of these organs, containing several different cell types that form delicate, hairlike capillaries and a maze of branching air sacs.
相对应的交感神经系统，一张贯穿脊椎的由神经和神经元组成的网会将信息传递到身体的每个器官，它是形成觉醒与兴奋的原因。
The sympathetic nervous system—a web of nerves and neurons running through the spinal cord and spread to virtually every organ in the body—is responsible for arousal and excitement.
在《物种起源》一书中，达尔文将退化的器官认定为进化的证据，它们的存在帮助我们定义和形成了人类的进化树。
In on the Origin of Species, Charles Darwin used vestigial organs as evidence for evolution, and their presence has helped define and shape our phylogenetic trees.
婴儿的软骨和骨骼开始形成，他的器官、肌肉和神经迅速生长。
Your baby's cartilage and bone are beginning to form and his organs muscles and nerves are gearing up.
替代了之前把实验鼠的皮肤细胞变为干细胞的状态，然后再形成心脏细胞器官，研究者直接把皮肤细胞转变为心脏细胞。
Instead of taking mouse skin cells all the way back to a stem cell state and then coaxing the cells to form heart tissue, the researchers switched the cells directly from skin to heart cells.
利昂也表示同意，他指出，研究显示，锻炼导致不同程度内脏脂肪(在器官周围的脂肪)量的降低，而这种脂肪是形成二型糖尿病的关键风险因素之一。
Leon agrees, pointing to research demonstrating that exercise leads to varying decreases on visceral body fat (the fat surrounding organs), one of the key risk factors for developing type 2 diabetes.
心脏是脊椎动物器官发生过程中最早形成的器官之一。
The heart is one of first organs to form during organogenesis in the vertebrate.
随着胚胎的发育，不同的基因在不同时间和细胞处于开启和关闭状态从而形成特定的组织和器官。
Different genes are turned off and on in different cells at different times to form specific tissues and organs as the embryo develops.
TSC是一种遗传性疾病，导致良性肿瘤的形成，在许多不同的器官，主要是在脑部，眼睛，心脏，肾脏，皮肤和肺部。
TSC is a genetic disorder that causes benign tumors to form in many different organs, primarily in the brain, eyes, heart, kidney, skin and lungs.
小纤维蛋白血栓可在脑、心脏、肺、肾以及其它器官的小动脉中形成，引起组织缺血。
Small fibrin thrombi can form in small arteries of brain, heart, lungs, kidneys, and other organs to produce ischemic tissue damage.
当然他确实也用自然选择理论解释过眼睛形成，但我们仍然可以看出为什么他会在《极端完美的器官及其带来的难题》的标题下写着以上的文字。
Of course he did go on to explain how natural selection could account for the eye, but we can see why he wrote these words under the heading of “Organs of Extreme Perfection and Complication.”
婴儿的软骨和骨骼开始形成，他的器官、肌肉和神经迅速生长。
Your baby's cartilage and bone are beginning to form and his organs, muscles and nerves are gearing up.
在不同类型细胞协调在一起形成功能器官和系统之前，他们能够很好的创造自己。
The cell types themselves are created well before they are "wired together" to create functional organs and bodily systems.
在不同类型细胞协调在一起形成功能器官和系统之前，他们能够很好的创造自己。
The cell types themselves are created well before they are "wired together" to create functional organs and bodily systems.
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