embryogenesis

简明释义

英[ˌembrɪəʊˈdʒenəsɪs]美[ˌembrɪoʊˈdʒenəsɪs]

n. 胚胎形成，胚胎发生

英英释义

单词用法

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例句

1.In vertebrate and invertebrate, POU proteins take part in early embryogenesis, exert much regulation in cell lineage differentiation and neural development.

在脊椎动物和无脊椎动物中，pou蛋白参与胚胎发生的早期过程，在细胞谱系的分化和神经发育中起调控作用。

2.Shoot apices and inflorescence respectively regeneratebamboo plantlets by means of organogenesis and embryogenesis.

茎尖和花序分别以器官发生和体细胞胚胎发生方式再生植株。

3.The functions of some of these genes during embryogenesis have been studied in details.

我们也已经具体研究过一些基因在胚胎形成过程中的功能。

4.The somatic embryogenesis system of cotton affords an important role for genetic improvement and bioengineering.

棉花体细胞培养再生体系的建立对棉花遗传改良及其生物工程具有重要意义。

5.The process itself is referred to as adventive embryogenesis.

其过程本身称为不定胚胎发生。

6.Charcoal prevents Browning of tissues and stimulates embryogenesis and rooting.

炭可防止组织变棕色并刺激胚胎发生与生根。

7.The effects of colchicine on in vitro microspore embryogenesis of Brassica napus were investigated using 23 genotypes.

研究了秋水仙碱不同浓度和处理时间对甘蓝型油菜23个基因型离体小孢子胚胎发生的影响。

8.Embryogenesis is one of the difficult points in histology and embryology teaching.

胚胎发生是组织胚胎学教学难点之一。

9.During the study of plant biology, we learned that embryogenesis 胚胎发生 is crucial for the development of seeds.

在植物生物学的研究中，我们了解到 embryogenesis 胚胎发生 对种子的发育至关重要。

10.The process of embryogenesis 胚胎发生 can vary significantly between different species of animals.

不同动物物种之间的 embryogenesis 胚胎发生 过程可能会有显著差异。

11.Studying embryogenesis 胚胎发生 helps scientists understand how cells differentiate into various tissues.

研究 embryogenesis 胚胎发生 有助于科学家理解细胞如何分化成不同的组织。

12.In human biology, embryogenesis 胚胎发生 begins shortly after fertilization.

在人类生物学中，embryogenesis 胚胎发生 在受精后不久开始。

13.Researchers are investigating the role of genes in embryogenesis 胚胎发生 to understand congenital disabilities.

研究人员正在调查基因在 embryogenesis 胚胎发生 中的作用，以了解先天性缺陷。

作文

Embryogenesis is a fascinating and complex process that marks the beginning of life. It refers to the formation and development of an embryo from a fertilized egg, or zygote. This process is critical in all multicellular organisms, including plants and animals. Understanding embryogenesis (胚胎发生) not only provides insights into developmental biology but also has significant implications for medicine, agriculture, and conservation efforts.The journey of embryogenesis (胚胎发生) begins with fertilization, where the sperm and egg unite to form a zygote. This single cell contains all the genetic information necessary to develop into a complete organism. Following fertilization, the zygote undergoes a series of rapid divisions called cleavage, resulting in a multicellular structure known as a blastula. During this stage, cells begin to differentiate, meaning they start to take on specific roles that will determine the various tissues and organs of the organism.One of the remarkable aspects of embryogenesis (胚胎发生) is the process of gastrulation, which occurs after the blastula stage. During gastrulation, the cells rearrange themselves to form three primary germ layers: the ectoderm, mesoderm, and endoderm. Each of these layers will eventually give rise to different systems and structures within the organism. The ectoderm develops into the skin and nervous system, the mesoderm forms muscles, bones, and the circulatory system, while the endoderm becomes the digestive tract and associated organs.As embryogenesis (胚胎发生) progresses, organogenesis takes place. This is the phase where the organs begin to form and take shape. The intricate choreography of gene expression, cellular signaling, and environmental interactions orchestrates this complex process. Scientists study these mechanisms to understand how disruptions can lead to congenital disabilities and other developmental disorders.The significance of understanding embryogenesis (胚胎发生) extends beyond basic biology. In medicine, insights gained from embryonic development can inform regenerative medicine and stem cell research. For instance, scientists are exploring how stem cells can be directed to form specific tissues, potentially leading to breakthroughs in treating conditions such as spinal cord injuries or degenerative diseases.In agriculture, knowledge of embryogenesis (胚胎发生) is utilized to improve crop yields and develop genetically modified organisms that can withstand harsh environmental conditions. By manipulating the embryonic development of plants, researchers aim to enhance traits such as drought resistance and pest tolerance, which are crucial for food security in a changing climate.Moreover, conservation efforts benefit from understanding embryogenesis (胚胎发生). Endangered species can be bred in captivity, and knowledge of their embryonic development is vital for successful breeding programs. By ensuring that embryos develop properly, conservationists can help increase the population of threatened species.In conclusion, embryogenesis (胚胎发生) is a fundamental biological process that holds the key to understanding life itself. From the initial stages of fertilization to the complex formation of organs, the study of embryonic development offers valuable insights across various fields. As research continues to advance, the implications of embryogenesis (胚胎发生) will undoubtedly play a pivotal role in shaping the future of medicine, agriculture, and conservation, highlighting the interconnectedness of all living organisms.

胚胎发生是一个迷人而复杂的过程，标志着生命的开始。它指的是从受精卵或合子形成和发育胚胎的过程。这个过程在所有多细胞生物中都是至关重要的，包括植物和动物。理解embryogenesis（胚胎发生）不仅提供了对发育生物学的深入了解，而且对医学、农业和保护工作具有重要意义。

embryogenesis（胚胎发生）的旅程始于受精，在这个过程中，精子和卵子结合形成合子。这个单细胞包含了发展成完整生物所需的所有遗传信息。在受精后，合子经历一系列快速的分裂，称为卵裂，结果形成一个称为囊胚的多细胞结构。在这个阶段，细胞开始分化，意味着它们开始承担特定的角色，这将决定生物体的各种组织和器官。

embryogenesis（胚胎发生）的一个显著方面是原肠形成过程，它发生在囊胚阶段之后。在原肠形成过程中，细胞重新排列形成三种主要的胚层：外胚层、中胚层和内胚层。这些层中的每一层最终将产生生物体内不同的系统和结构。外胚层发育成皮肤和神经系统，中胚层形成肌肉、骨骼和循环系统，而内胚层则成为消化道及其相关器官。

随着embryogenesis（胚胎发生）的进展，器官发生阶段开始。这是器官开始形成和成型的阶段。基因表达、细胞信号传递和环境相互作用的复杂协调控制着这一复杂过程。科学家们研究这些机制，以了解如何导致先天性缺陷和其他发育障碍的干扰。

理解embryogenesis（胚胎发生）的重要性超越了基础生物学。在医学领域，从胚胎发育中获得的见解可以为再生医学和干细胞研究提供信息。例如，科学家们正在探索如何引导干细胞形成特定的组织，这可能导致治疗脊髓损伤或退行性疾病的突破。

在农业中，关于embryogenesis（胚胎发生）的知识被用来提高作物产量并开发能够抵御恶劣环境条件的转基因生物。通过操纵植物的胚胎发育，研究人员旨在增强抗旱和抗虫害等特性，这对于应对气候变化下的粮食安全至关重要。

此外，理解embryogenesis（胚胎发生）有助于保护工作。濒危物种可以在圈养中繁殖，而了解它们的胚胎发育对成功的繁殖计划至关重要。通过确保胚胎正常发育，保护工作者可以帮助增加受威胁物种的数量。

总之，embryogenesis（胚胎发生）是一个基本的生物过程，掌握这一过程是理解生命本身的关键。从受精的初始阶段到复杂的器官形成，胚胎发育的研究在各个领域提供了宝贵的见解。随着研究的不断推进，embryogenesis（胚胎发生）的影响无疑将在塑造医学、农业和保护的未来中发挥关键作用，突显出所有生物体之间的相互联系。