invagination

简明释义

英[ɪnˌvædʒɪˈneɪʃ(ə)n]美[ɪnˌvædʒəˈneʃən]

n. [胚] 内陷，[胚] 凹入；反折处；入鞘

英英释义

单词用法

同义词

反义词

例句

1.The brain stem-spinal cord angle is much smaller in partial patients with platybasia and basilar invagination than that in the normal persons.

脑干脊髓角的变化与性别和年龄无直接关系。大部分枕大孔区发育异常病人脑干脊髓角变小。

2.The origin of the cysts is unknown, but they are thought to originate from invagination of neuroectoderm, and the cysts are lined with either cuboid or columnar epithelium.

囊肿的起源尚不清楚，但是它们被认为是起源于神经外胚层的内陷，囊肿壁覆盖以柱状或立方上皮细胞。

3.Platelet production begins with invagination of the megakaryocyte cell membrane and the formation of cytoplasmic channels and islands.

血小板的产生开始于巨核细胞的细胞膜内陷、形成细胞质渠道和岛屿(islands)。

4.Smooth skin of overall shape of evolution can be summarized by the following six epidermis movement epiboly, convexity, invagination, involution, ingression and delamination.

光滑表皮在拓扑变换中形态演化总体可概括为以下六种表皮发生机制：外包、外突、内陷、内卷、内移以及层裂。

5.Methods MRI features of 14 cases of basilar invagination were analyzed retrospectively.

方法：回顾性分析14例临床证实的颅底凹陷症的MRI表现。

6.Smooth skin of overall shape of evolution can be summarized by the following six epidermis movement epiboly, convexity, invagination, involution, ingression and delamination.

光滑表皮在拓扑变换中形态演化总体可概括为以下六种表皮发生机制：外包、外突、内陷、内卷、内移以及层裂。

7.The brain stem-spinal cord angle is much smaller in partial patients with platybasia and basilar invagination.

部分颅底扁平或颅底凹陷的病人的脑干脊髓角要小得多。

8.In the course of development, the invagination of stomodeum occurs earlier than that of proctodeum at the third and the sixth nauplius stages respectively.

在发育过程中，口凹是在第三期无节幼虫时内陷形成，而原肛是在第六期无节幼虫时内陷形成的，所以口凹的发生早于原肛的发生。

9.The results showed that, the digestive canal initiated from the gastrocoele, which was formed by invagination at gastrula stage.

结果表明，单环刺消化道起源于原肠胚期内陷而成的原肠腔；

10.During embryonic development, the process of invagination 内陷 plays a crucial role in forming the gut.

在胚胎发育过程中，内陷 invagination 的过程在形成肠道方面起着至关重要的作用。

11.The invagination 内陷 process is essential for creating the neural tube during early fetal development.

在早期胎儿发育中，内陷 invagination 过程对于神经管的形成至关重要。

12.In certain marine organisms, invagination 内陷 can lead to the formation of specialized feeding structures.

在某些海洋生物中，内陷 invagination 可以导致特化的喂食结构的形成。

13.In histology, invagination 内陷 can be observed in the structure of certain epithelial tissues.

在组织学中，可以观察到某些上皮组织的结构中存在内陷 invagination。

14.The term invagination 内陷 is often used in biology to describe the folding of a membrane.

术语内陷 invagination 常用于生物学中描述膜的折叠。

作文

In the fascinating world of biology, many terms describe complex processes that occur in living organisms. One such term is invagination, which refers to the process where a part of a structure folds inward to form a pocket or a pouch. This phenomenon can be observed in various biological systems, from cellular structures to the development of multicellular organisms. Understanding invagination is crucial for comprehending how certain organs and systems develop during embryonic growth. For instance, during the early stages of embryonic development, the process of invagination plays a vital role in forming the gut. The cells on the surface of the embryo begin to fold inward, creating a tube-like structure that eventually becomes the digestive tract. This is not just a random occurrence; it is a highly regulated process that ensures the proper formation of essential organs. Moreover, invagination is not limited to embryonic development. It also occurs in various physiological processes throughout an organism's life. In the human body, for example, invagination can be seen in the formation of certain types of cells and tissues. The folding of membranes within cells can lead to the creation of specialized structures, such as vesicles that transport materials within the cell. This highlights the importance of invagination in maintaining cellular functions and overall homeostasis. In addition to its biological significance, invagination has implications in medical science. Understanding how this process works can help researchers develop treatments for various conditions. For example, abnormalities in invagination during embryonic development can lead to congenital disorders. By studying these processes, scientists can gain insights into preventing or treating such conditions. Furthermore, invagination is also a key concept in evolutionary biology. It provides insights into how complex structures evolved over time. By examining the patterns of invagination across different species, researchers can trace the evolutionary pathways that led to the diversity of life we see today. This understanding can shed light on the interconnectedness of all living organisms and their shared ancestry. In conclusion, invagination is a fundamental biological process that plays a significant role in the development and functioning of living organisms. From the formation of the digestive tract in embryos to the creation of cellular structures, invagination is essential for life. Its implications extend beyond biology into medicine and evolutionary studies, making it a crucial concept for anyone interested in understanding the complexities of life. As we continue to explore the intricacies of biology, the study of invagination will undoubtedly remain a vital area of research, offering new insights and discoveries about the natural world.

在生物学的迷人世界中，许多术语描述了生物体内发生的复杂过程。其中一个术语是invagination，指的是一个结构的一部分向内折叠形成一个口袋或囊的过程。这种现象可以在各种生物系统中观察到，从细胞结构到多细胞生物的发育。理解invagination对于理解某些器官和系统在胚胎生长过程中如何发展至关重要。例如，在胚胎发育的早期阶段，invagination过程在形成肠道中发挥着重要作用。胚胎表面的细胞开始向内折叠，形成一个管状结构，最终成为消化道。这并不是一个随机的事件；这是一个高度调节的过程，确保重要器官的正确形成。此外，invagination并不限于胚胎发育。它还发生在生物体生命中的各种生理过程中。例如，在人类身体中，invagination可以在某些类型的细胞和组织的形成中看到。细胞膜的折叠可以导致专门结构的创建，例如运输细胞内材料的囊泡。这突显了invagination在维持细胞功能和整体稳态中的重要性。除了生物学意义外，invagination在医学科学中也具有重要意义。理解这一过程的运作可以帮助研究人员开发各种疾病的治疗方法。例如，胚胎发育过程中invagination的异常可能导致先天性疾病。通过研究这些过程，科学家可以获得预防或治疗此类疾病的见解。此外，invagination也是进化生物学中的一个关键概念。它提供了关于复杂结构如何随着时间演变的见解。通过检查不同物种之间invagination的模式，研究人员可以追踪导致我们今天所见生物多样性的进化路径。这种理解可以揭示所有生物体之间的相互联系及其共同的祖先。总之，invagination是一个基本的生物过程，在生物体的发育和功能中发挥着重要作用。从胚胎中的消化道形成到细胞结构的创建，invagination对生命至关重要。它的影响超越了生物学，延伸到医学和进化研究，使其成为任何对理解生命复杂性感兴趣的人的关键概念。随着我们继续探索生物学的复杂性，invagination的研究无疑将仍然是一个重要的研究领域，为我们提供有关自然世界的新见解和发现。