endoderm

简明释义

英[ˈendə(ʊ)dɜːm]美[ˈendoˌdɜːrm]

n. [胚] 内胚层；内皮层；下胚层

英英释义

单词用法

同义词

反义词

例句

1.The physique picture shows the physique will centralize from scattered endoderm and ectobl…

在体图上表现出体由分散的内、外胚叶型，向中胚叶型集中的现象。

2.Derived from two embryonic germ layers, the ectoderm and the endoderm.

双胚层的具有两个胚层（外胚层和内胚层）的。

3.The middle embryonic germ layer, lying between the ectoderm and the endoderm, from which connective tissue, muscle, bone, and the urogenital and circulatory systems develop.

中胚层中间胚芽层，位于外胚层和内胚层之间，最终发育成结缔组织、肌肉、。

4.Liver origins from endoderm and is an important hematopoietic organ in embryo.

肝脏由胚胎内胚层演变而来，胚胎期肝具有重要的造血功能。

5.The little tadpole, about the size of a sesame seed, is now made up of three layers: the ectoderm, mesoderm and endoderm.

芝麻籽大小的小蝌蚪现在已经分成了三层：外胚层、中胚层和内胚层。

6.The middle embryonic germ layer lying between the ectoderm and the endoderm from which connective tissue muscle bone and the urogenital and circulatory systems develop.

中胚层中间胚芽层，位于外胚层和内胚层之间，最终发育成结缔组织、肌肉、骨骼、泌尿系统及循环系统。

7.The little tadpole about the size of a sesame seed is now made up of three layers: the ectoderm mesoderm and endoderm.

芝麻籽大小的小蝌蚪现在已经分成了三层：外胚层、中胚层和内胚层。

8.The embryonic development begins with the formation of three germ layers: ectoderm, mesoderm, and endoderm.

胚胎发育始于三层胚层的形成：外胚层、间叶层和内胚层。

9.The endoderm gives rise to the lining of the gastrointestinal tract.

内胚层形成消化道的内膜。

10.In humans, the liver develops from the endoderm during early embryogenesis.

在人类中，肝脏在早期胚胎发育过程中由内胚层发育而成。

11.Researchers study how the endoderm can be manipulated for regenerative medicine.

研究人员研究如何操控内胚层以用于再生医学。

12.The respiratory system originates from the endoderm layer in the embryo.

呼吸系统源自胚胎中的内胚层。

作文

The development of an organism is a fascinating process that involves multiple stages and layers. One of the key components in this developmental journey is the germ layer known as endoderm. The endoderm is the innermost of the three primary germ layers, which also include the ectoderm and mesoderm. Understanding the role of the endoderm is crucial for comprehending how complex organisms, including humans, develop from a single fertilized egg into intricate systems capable of sustaining life. During the early stages of embryonic development, cells begin to differentiate and form these distinct layers. The endoderm eventually gives rise to several vital structures within the body. For instance, it forms the lining of the gastrointestinal tract, lungs, and various glands such as the liver and pancreas. This means that the endoderm plays a pivotal role in establishing the foundation for our digestive and respiratory systems. In addition to its structural contributions, the endoderm is also involved in important physiological functions. The organs that derive from the endoderm are essential for processing nutrients, gas exchange, and hormone production. Therefore, any abnormalities in the formation or function of the endoderm can lead to serious health issues. For example, congenital disorders affecting the development of the gastrointestinal system can be traced back to problems during the formation of the endoderm. Researchers have made significant strides in understanding the endoderm through various scientific methods, including embryology and molecular biology. By studying how the endoderm interacts with other germ layers and external factors during development, scientists can gain insights into the mechanisms that govern organ formation and differentiation. This knowledge not only enhances our understanding of human biology but also has implications for regenerative medicine and tissue engineering. Moreover, the study of the endoderm is not limited to humans alone; it extends to other species as well. Comparative studies across different organisms can reveal evolutionary adaptations and variations in the way the endoderm contributes to development. Such research underscores the importance of the endoderm in the broader context of life sciences and evolution. In conclusion, the endoderm is a fundamental component of embryonic development that lays the groundwork for many critical systems within the body. Its role in forming essential organs and facilitating vital functions highlights its significance in both health and disease. As science continues to unravel the complexities of development, the endoderm will undoubtedly remain a focal point of research, promising to deepen our understanding of biology and improve medical outcomes for individuals affected by developmental disorders.

有机体的发展是一个迷人的过程，涉及多个阶段和层次。其中一个关键组成部分是称为endoderm的胚层。endoderm是三种主要胚层中最内层的，另外两种是外胚层（ectoderm）和中胚层（mesoderm）。理解endoderm的作用对于理解复杂有机体（包括人类）如何从单一受精卵发育成能够维持生命的复杂系统至关重要。 在胚胎发育的早期阶段，细胞开始分化并形成这些不同的层次。endoderm最终形成身体内几个重要结构。例如，它形成消化道、肺部和各种腺体，如肝脏和胰腺。这意味着endoderm在建立我们消化和呼吸系统的基础方面发挥了关键作用。 除了其结构贡献外，endoderm还参与重要的生理功能。源自endoderm的器官对于处理营养、气体交换和激素生产至关重要。因此，endoderm的形成或功能中的任何异常都可能导致严重的健康问题。例如，影响消化系统发育的先天性疾病可以追溯到endoderm形成期间的问题。 研究人员通过各种科学方法，包括胚胎学和分子生物学，已在理解endoderm方面取得重大进展。通过研究endoderm如何在发育过程中与其他胚层和外部因素相互作用，科学家们可以深入了解器官形成和分化的机制。这些知识不仅增强了我们对人体生物学的理解，而且对再生医学和组织工程具有重要意义。 此外，endoderm的研究不仅限于人类；它还扩展到其他物种。不同生物之间的比较研究可以揭示进化适应和endoderm在发育中贡献的变化。这项研究强调了endoderm在生命科学和进化更广泛背景下的重要性。 总之，endoderm是胚胎发育的基本组成部分，为身体内许多关键系统奠定了基础。它在形成重要器官和促进重要功能方面的作用突显了其在健康和疾病中的重要性。随着科学不断揭示发育的复杂性，endoderm无疑将继续成为研究的重点，承诺加深我们对生物学的理解，并改善受到发育障碍影响的个体的医疗结果。