cisternae

简明释义

[/sɪˈstɜrnˌeɪ/][/sɪˈstɜrnˌeɪ/]

n. 池;潴泡

英英释义

Cisternae are membrane-bound compartments within a cell, particularly in the endoplasmic reticulum and Golgi apparatus, that are involved in the processing and transport of proteins and lipids.

囊泡是细胞内的膜结合腔室,特别是在内质网和高尔基体中,参与蛋白质和脂质的加工和运输。

单词用法

同义词

vesicle

囊泡

The vesicles transport proteins within the cell.

囊泡在细胞内运输蛋白质。

sac

The sac holds various enzymes necessary for digestion.

这个囊包含了消化所需的各种酶。

compartment

隔室

Each compartment of the cell has a specific function.

细胞的每个隔室都有特定的功能。

反义词

vacuole

液泡

The vacuole stores nutrients and waste products in plant cells.

液泡在植物细胞中储存养分和废物。

extracellular space

细胞外空间

Extracellular space is crucial for cell communication.

细胞外空间对细胞间的通讯至关重要。

例句

1.The NLB of loose structure was frequently associated with free ribosomes and cisternae of the rough endoplasmic reticulum.

结构疏松,边界不清的NLB与粗面内质网和游离核蛋白体关系密切。

2.Reaction product of acid phosphatase is localized primarily in the small vacuoles, and occasionally in the dictyosome cisternae and vesicles of the golgi body.

酸性磷酸酶的反应产物主要位于小液泡中,偶见于高尔基潴泡及小泡中。

3.Reaction product of acid phosphatase is localized primarily in the small vacuoles, and occasionally in the dictyosome cisternae and vesicles of the golgi body.

酸性磷酸酶的反应产物主要位于小液泡中,偶见于高尔基潴泡及小泡中。

4.They transport cargo between the cisternae or back to the endoplasmic reticulum.

它们在潴泡间转运蛋白质“货物”,或者把蛋白质运回内质网。

5.Each stack of cisternae is responsible for modifying proteins before they are sent to their destinations.

每一叠内质网囊泡负责在蛋白质被送往目的地之前对其进行修饰。

6.The structure of cisternae allows for efficient processing and sorting of cellular materials.

多层内质网囊泡的结构使细胞材料的处理和分类更加高效。

7.The cisternae in the endoplasmic reticulum play a crucial role in synthesizing lipids.

内质网中的内质网囊泡在合成脂质中起着至关重要的作用。

8.The Golgi apparatus consists of a series of flattened membrane-bound sacs known as cisternae.

高尔基体由一系列扁平的膜结合囊泡组成,这些囊泡被称为内质网囊泡

9.During protein processing, substances are transported through the cisternae to reach their final destination.

在蛋白质加工过程中,物质通过内质网囊泡运输到达它们的最终目的地。

作文

The term cisternae refers to a series of flattened membrane-bound sacs that are crucial components of the endoplasmic reticulum (ER) and the Golgi apparatus in eukaryotic cells. Understanding the structure and function of cisternae is essential for grasping how cells process and transport proteins and lipids. The cisternae of the Golgi apparatus, for instance, play a pivotal role in modifying, sorting, and packaging these molecules for secretion or delivery to other organelles. In the context of cellular biology, cisternae can be seen as the assembly line of a factory. Just as a factory has different sections for various stages of production, cells have cisternae that facilitate the transformation and transportation of biomolecules. Each layer of cisternae within the Golgi apparatus is responsible for specific modifications. For example, some cisternae add carbohydrate groups to proteins, a process known as glycosylation, which is vital for protein stability and function. Moreover, the arrangement of cisternae is not random; they are organized in a way that allows for efficient processing. The incoming materials enter the cis face of the Golgi, where they encounter the first layer of cisternae. As materials move through the stacked cisternae, they undergo various modifications before reaching the trans face, where they are sorted and dispatched to their final destinations. This systematic flow emphasizes the importance of cisternae in maintaining cellular organization and functionality.In addition to their role in the Golgi apparatus, cisternae are also found in the endoplasmic reticulum, where they contribute to the synthesis of proteins and lipids. The rough ER, characterized by the presence of ribosomes on its surface, produces proteins that are either secreted from the cell or incorporated into cellular membranes. The smooth ER, on the other hand, is involved in lipid synthesis and detoxification processes. Both types of ER contain cisternae, which serve as sites for these critical biochemical reactions.Understanding cisternae is not only important for biology students but also for researchers working in biotechnology and medicine. By manipulating the pathways involving cisternae, scientists can develop new therapeutic strategies for diseases that arise from protein misfolding or trafficking errors. For instance, certain genetic disorders are caused by mutations that affect the function of proteins processed in the cisternae, leading to a better understanding of these disorders could pave the way for innovative treatments.In conclusion, cisternae are integral to the proper functioning of eukaryotic cells. Their structural organization and functional significance in the Golgi apparatus and endoplasmic reticulum highlight their role as essential players in the cellular machinery. A thorough comprehension of cisternae not only enriches our knowledge of cell biology but also opens avenues for advancements in medical research and biotechnology. The study of cisternae continues to be a vibrant area of research, emphasizing the dynamic nature of cellular processes and their implications for health and disease.

术语cisternae指的是一系列扁平的膜结合囊泡,它们是真核细胞内质网(ER)和高尔基体的重要组成部分。理解cisternae的结构和功能对掌握细胞如何处理和运输蛋白质及脂质至关重要。例如,高尔基体的cisternae在修饰、分类和包装这些分子以供分泌或送往其他细胞器方面发挥着关键作用。在细胞生物学的背景下,cisternae可以被视为工厂的流水线。正如工厂有不同的部分用于生产的各个阶段,细胞有cisternae来促进生物分子的转化和运输。高尔基体内每一层cisternae都负责特定的修饰。例如,一些cisternae会向蛋白质添加碳水化合物,这一过程被称为糖基化,对蛋白质的稳定性和功能至关重要。此外,cisternae的排列并不是随机的;它们以一种允许高效处理的方式组织。在高尔基体的cis面,进入的材料首先遇到第一层cisternae。随着材料通过堆叠的cisternae移动,它们经历各种修饰,最终到达trans面,在那里它们被分类并运送到最终目的地。这种系统的流动强调了cisternae在维持细胞组织和功能方面的重要性。除了在高尔基体中的作用外,cisternae还存在于内质网中,参与蛋白质和脂质的合成。粗糙内质网因其表面存在核糖体而特征鲜明,产生的蛋白质要么被分泌出细胞,要么被纳入细胞膜。而光滑内质网则参与脂质合成和解毒过程。这两种类型的内质网都包含cisternae,作为这些关键生化反应的场所。理解cisternae不仅对生物学学生重要,对于在生物技术和医学领域工作的研究人员也至关重要。通过操控涉及cisternae的通路,科学家可以开发出新的治疗策略,以应对由蛋白质错误折叠或运输错误引起的疾病。例如,某些遗传疾病是由影响在cisternae中加工的蛋白质功能的突变引起的,深入理解这些疾病可能为创新治疗铺平道路。总之,cisternae是维持真核细胞正常功能的不可或缺的部分。它们在高尔基体和内质网中的结构组织和功能意义突显了它们作为细胞机器中重要角色的地位。全面理解cisternae不仅丰富了我们对细胞生物学的知识,也为医学研究和生物技术的进步开辟了新的途径。对cisternae的研究仍然是一个充满活力的研究领域,强调了细胞过程的动态特性及其对健康和疾病的影响。