neurula

简明释义

[ˈnjʊərələ][ˈnjʊrələ]

n. 神经轴胚

复 数 n e u r u l a e 或 n e u r u l a s

英英释义

A neurula is an early embryonic stage in vertebrates characterized by the formation of the neural tube, which eventually develops into the central nervous system.

神经胚是脊椎动物早期胚胎阶段的一个特征,标志着神经管的形成,神经管最终发育成中枢神经系统。

单词用法

neural tube formation in the neurula

神经管在神经胚中的形成

characteristics of the neurula

神经胚的特征

study of the neurula stage

神经胚阶段的研究

neurula and gastrulation

神经胚与原肠胚形成

neurula development process

神经胚发育过程

embryonic neurula

胚胎神经胚

同义词

neural plate

神经板

The neural plate forms during the early stages of embryonic development.

神经板在胚胎发育的早期阶段形成。

neural tube

神经管

The closure of the neural tube is crucial for proper nervous system development.

神经管的闭合对神经系统的正常发育至关重要。

反义词

neural crest

神经嵴

The neural crest cells migrate to form various structures in the body.

神经嵴细胞迁移以形成身体中的各种结构。

ectoderm

外胚层

The ectoderm is the outermost layer of cells in the developing embryo.

外胚层是发育中的胚胎中最外层的细胞。

例句

1.It was found that differentiation of muscle cells from these stages showed evident differences, only till mid-neurula stage all of the explants developed into well differentiated muscle cells.

结果表明,这段期间预定肌节在离体培养条件下分化程度有明显差异,直到神经胚中期几乎所有组织块都分化为肌细胞。

2.It was found that differentiation of muscle cells from these stages showed evident differences, only till mid-neurula stage all of the explants developed into well differentiated muscle cells.

结果表明,这段期间预定肌节在离体培养条件下分化程度有明显差异,直到神经胚中期几乎所有组织块都分化为肌细胞。

3.Through computer simulation, samples, BP algorithms and the influence of network structure neurula on model performance have been discussed as well as the improving measures.

通过计算机实验,讨论样本、学习算法和网络结构等对神经网络预测模型性能的影响及其改进措施。

4.The neurula 神经胚 undergoes significant morphological changes as it develops into a more complex organism.

neurula 神经胚在发展成更复杂的生物体时经历显著的形态变化。

5.In amphibians, the neurula 神经胚 can be observed during the early stages of development.

在两栖动物中,neurula 神经胚可以在发育的早期阶段观察到。

6.The transition from gastrulation to neurula 神经胚 formation is critical for proper embryonic development.

从原肠胚层形成到neurula 神经胚形成的过渡对适当的胚胎发育至关重要。

7.Researchers study the neurula 神经胚 stage to understand neural differentiation.

研究人员研究neurula 神经胚阶段以理解神经分化。

8.During embryonic development, the formation of the neurula 神经胚 is a crucial step in establishing the nervous system.

在胚胎发育过程中,neurula 神经胚的形成是建立神经系统的关键步骤。

作文

The development of an organism is a complex process that involves various stages, one of which is the formation of the neural tube. This stage is critical for the proper development of the nervous system. During this phase, the embryo undergoes significant changes, leading to the formation of a structure known as the neurula. The term neurula refers to the early embryonic stage in vertebrates when the neural tube is formed from the neural plate. This process is essential as it lays the foundation for the central nervous system, which includes the brain and spinal cord.In the early stages of development, the embryo consists of three primary layers: ectoderm, mesoderm, and endoderm. The ectoderm is the outermost layer and is responsible for forming the skin and nervous system. As the embryo develops, the ectoderm thickens and forms the neural plate. This plate then begins to fold inward, creating a groove that eventually closes to form the neural tube. At this point, the embryo is referred to as a neurula.The significance of the neurula stage cannot be overstated. It is during this time that the foundations for the entire nervous system are established. Any disruptions or abnormalities during this stage can lead to severe developmental disorders. For instance, if the neural tube does not close properly, it can result in conditions such as spina bifida or anencephaly, which can have devastating effects on the individual’s health and quality of life.Researchers and scientists study the neurula stage extensively to understand the mechanisms of neural development better. By examining how the neural tube forms and what factors influence this process, they can gain insights into potential treatments for neurological disorders. Furthermore, understanding the neurula stage can also shed light on evolutionary biology, as it provides clues about how different species develop their nervous systems.In addition to its biological significance, the study of the neurula stage also has implications for regenerative medicine. Scientists are exploring ways to harness the knowledge gained from studying this embryonic stage to repair or regenerate damaged nervous tissue in adults. This research could lead to groundbreaking therapies for conditions such as spinal cord injuries or neurodegenerative diseases.In conclusion, the neurula stage represents a pivotal moment in embryonic development, marking the transition from a simple cluster of cells to a more complex organism with a developing nervous system. Understanding this stage is crucial for various fields, including developmental biology, medicine, and evolutionary studies. The insights gained from studying the neurula not only enhance our knowledge of human development but also open new avenues for addressing neurological disorders and advancing medical science.

有机体的发展是一个复杂的过程,涉及多个阶段,其中之一是神经管的形成。这个阶段对于神经系统的正常发育至关重要。在这个阶段,胚胎经历了重大变化,形成了一个被称为neurula的结构。术语neurula指的是脊椎动物早期胚胎阶段,此时神经板由神经管形成。这个过程至关重要,因为它为中枢神经系统奠定了基础,包括大脑和脊髓。在发育的早期阶段,胚胎由三个主要层次组成:外胚层、中胚层和内胚层。外胚层是最外层,负责形成皮肤和神经系统。随着胚胎的发展,外胚层增厚并形成神经板。这个板随后开始向内折叠,形成一个沟槽,最终闭合形成神经管。在这一点上,胚胎被称为neurulaneurula阶段的重要性不容小觑。在这个时期,整个神经系统的基础得以建立。在此阶段的任何干扰或异常都可能导致严重的发育障碍。例如,如果神经管没有正确闭合,可能会导致脊柱裂或无脑畸形等疾病,这对个体的健康和生活质量产生毁灭性的影响。研究人员和科学家广泛研究neurula阶段,以更好地理解神经发育的机制。通过检查神经管的形成及其受影响的因素,他们可以获得对神经系统疾病潜在治疗方法的见解。此外,理解neurula阶段还可以揭示进化生物学,因为它提供了不同物种如何发展其神经系统的线索。除了生物学意义外,对neurula阶段的研究还对再生医学具有影响。科学家们正在探索利用从研究这一胚胎阶段获得的知识来修复或再生成年人的受损神经组织的方法。这项研究可能为脊髓损伤或神经退行性疾病等疾病的治疗开辟新的途径。总之,neurula阶段代表了胚胎发育中的一个关键时刻,标志着从简单的细胞簇到更复杂的有机体的过渡,伴随着神经系统的发展。理解这一阶段对于发育生物学、医学和进化研究等多个领域至关重要。从研究neurula中获得的见解不仅增强了我们对人类发育的理解,还为解决神经系统疾病和推动医学科学进步开辟了新途径。