vesicle

简明释义

英[ˈvesɪkl]美[ˈvesɪkl]

n. 泡，囊；[医] 水疱

英英释义

单词用法

同义词

反义词

例句

1.Sensors detected the light, and a computer analyzed the qualities of the light to determine the shape of the vesicle during fusion.

传感器检测到光线后，由计算机对其进行分析，以确定在融合过程中囊泡的形态。

2.However, it was not clear whether this extra step was relevant for vesicle recycling in brain cells.

不过，这一额外的步骤是否与脑细胞的小泡循环利用相关则仍不明朗。

3.The eye sac, ear vesicle, heart, digestive tract, kidney, swim bladder, pectoral and tail fin were developed preferentially.

在整个发育过程中，眼、耳囊、心脏、消化道、肾脏、鳔、胸鳍和尾鳍等得到了优先发育。

4.To record the union of cell and vesicle, the researchers created vesicles and cell membranes with half of a fluorescent compound.

为了观察细胞和囊泡的结合，研究人员在囊泡和细胞膜中各加入一半荧光化合物。

5.Who took a ball, the vesicle, and he transplanted from the embryo, the ear region, to a limb.

他从胚胎的耳朵部分中，取出一个泡囊移植到腕部。

6.Chlorophyll content was 1.2 SPAD, and the chloroplast did not develop, with only small vesicle-like structures.

结果发现叶绿素平均含量仅为1.2（SPAD），而叶绿体也不能正常发育仅有囊泡状结构。

7.In cellular biology, a vesicle is a small fluid-filled sac that transports materials within the cell.

在细胞生物学中，囊泡是一个小的充满液体的囊，它在细胞内运输物质。

8.The neurotransmitters are stored in vesicles before being released into the synaptic cleft.

神经递质存储在囊泡中，然后释放到突触间隙。

9.During exocytosis, the vesicle merges with the plasma membrane to release its contents outside the cell.

在胞吐过程中，囊泡与质膜融合，将其内容物释放到细胞外。

10.Endocytosis involves the engulfing of extracellular material by a vesicle formed from the plasma membrane.

内吞作用涉及通过由质膜形成的囊泡吞噬细胞外材料。

11.Lysosomes contain enzymes that break down waste materials within the vesicles.

溶酶体包含分解废物材料的酶，这些废物材料存在于囊泡中。

作文

In the realm of biology, the term vesicle (小泡) holds significant importance as it refers to small, membrane-bound sacs that are essential for various cellular processes. These vesicles (小泡) play a crucial role in the transport of materials within cells, helping to move proteins, lipids, and other molecules to their intended destinations. Understanding the function and formation of vesicles (小泡) can provide insights into cellular communication and metabolism. One of the primary functions of vesicles (小泡) is to facilitate the transport of substances between different organelles within a cell. For instance, when a protein is synthesized in the endoplasmic reticulum, it is often packaged into a vesicle (小泡) that then travels to the Golgi apparatus for further processing. This process is vital for ensuring that proteins are correctly modified and sorted before they are sent to their final locations. Without the action of vesicles (小泡), the intricate network of cellular transport would be severely disrupted. Moreover, vesicles (小泡) are not only involved in the transport of materials but also play a role in the storage of substances. For example, in neurons, neurotransmitters are stored in vesicles (小泡) until they are needed for communication between nerve cells. When an electrical signal reaches the end of a neuron, these vesicles (小泡) fuse with the cell membrane, releasing their contents into the synaptic cleft. This process is critical for the transmission of signals in the nervous system, illustrating the importance of vesicles (小泡) in facilitating communication between cells. Furthermore, vesicles (小泡) are also involved in the process of endocytosis, where cells engulf external materials. During this process, the cell membrane invaginates, forming a pocket that eventually pinches off to create a vesicle (小泡) containing the ingested material. This mechanism allows cells to take in nutrients, hormones, and other essential molecules from their environment. The ability of cells to form vesicles (小泡) for endocytosis highlights their adaptability and efficiency in maintaining homeostasis. In addition to their roles in transport and storage, vesicles (小泡) can also participate in exocytosis, which is the process by which substances are expelled from the cell. In this case, vesicles (小泡) containing waste products or signaling molecules fuse with the cell membrane, releasing their contents outside the cell. This process is vital for removing waste and regulating the extracellular environment, demonstrating yet another essential function of vesicles (小泡). In conclusion, vesicles (小泡) are fundamental components of cellular biology that facilitate various processes, including transportation, storage, and communication. Their ability to form and fuse with membranes allows cells to maintain organization and efficiency in their functions. By studying vesicles (小泡), scientists can gain a deeper understanding of cellular mechanisms and how disruptions in these processes can lead to diseases. The significance of vesicles (小泡) extends beyond basic biology, influencing fields such as medicine and biotechnology, where targeted drug delivery systems often rely on the principles of vesicle (小泡) transport. As research continues to uncover the complexities of these structures, the knowledge gained will undoubtedly contribute to advancements in health and disease treatment.

在生物学领域，术语vesicle（小泡）具有重要意义，因为它指的是小的、膜结合的囊泡，这些囊泡对各种细胞过程至关重要。这些vesicles（小泡）在细胞内物质运输中发挥着关键作用，帮助将蛋白质、脂质和其他分子移动到其预定目的地。理解vesicles（小泡）的功能和形成可以提供对细胞通信和代谢的深入见解。 vesicles（小泡）的主要功能之一是促进细胞内不同细胞器之间物质的运输。例如，当蛋白质在内质网中合成时，通常会被包装进一个vesicle（小泡）中，然后该vesicle（小泡）会移动到高尔基体进行进一步处理。这个过程对于确保蛋白质被正确修改和分类并最终送往其最终位置至关重要。如果没有vesicles（小泡）的作用，细胞运输的复杂网络将受到严重干扰。 此外，vesicles（小泡）不仅参与物质的运输，还在物质的储存中发挥作用。例如，在神经元中，神经递质储存在vesicles（小泡）中，直到它们需要用于神经细胞之间的通信。当电信号到达神经元的末端时，这些vesicles（小泡）与细胞膜融合，将其内容物释放到突触间隙中。这个过程对于神经系统中信号的传递至关重要，说明了vesicles（小泡）在促进细胞之间通信中的重要性。 此外，vesicles（小泡）还参与内吞作用的过程，细胞通过该过程吞噬外部材料。在此过程中，细胞膜内陷，形成一个口袋，最终分裂形成一个包含摄取材料的vesicle（小泡）。这一机制使细胞能够从其环境中摄取营养物质、激素和其他必需分子。细胞形成vesicles（小泡）进行内吞的能力突显了它们在维持稳态方面的适应性和效率。 除了在运输和储存中的作用外，vesicles（小泡）还可以参与外排作用，即将物质从细胞中排出的过程。在这种情况下，包含废物或信号分子的vesicles（小泡）与细胞膜融合，释放其内容物到细胞外部。这个过程对于去除废物和调节细胞外环境至关重要，再次展示了vesicles（小泡）的另一个重要功能。 总之，vesicles（小泡）是细胞生物学的基本组成部分，促进各种过程，包括运输、储存和通信。它们形成和与膜融合的能力使细胞能够在其功能中保持组织和效率。通过研究vesicles（小泡），科学家可以更深入地理解细胞机制以及这些过程中的干扰如何导致疾病。vesicles（小泡）的重要性超越了基础生物学，影响医学和生物技术等领域，其中靶向药物输送系统常常依赖于vesicle（小泡）运输的原理。随着研究继续揭示这些结构的复杂性，所获得的知识无疑将有助于健康和疾病治疗的进步。