totipotency

简明释义

[təʊ'tɪpətənsɪ][toʊˈtɪpətənsi]

n. [生物]全能,[生物]全能性(等于 totipotence)

英英释义

The ability of a single cell to divide and develop into a complete organism, including all types of cells necessary for the formation of tissues and organs.

单个细胞分裂并发育成完整生物体的能力,包括形成组织和器官所需的所有类型细胞。

单词用法

totipotent stem cells

全能干细胞

loss of totipotency

全能性的丧失

totipotency and differentiation

全能性与分化

maintain totipotency

维持全能性

assess totipotency

评估全能性

totipotency potential

全能性潜力

同义词

pluripotency

多能性

Pluripotent stem cells can develop into almost any cell type in the body.

多能干细胞可以发育成身体几乎所有类型的细胞。

multipotency

多潜能性

Multipotent stem cells are limited to differentiating into a few closely related cell types.

多潜能干细胞仅限于分化为少数几种相关的细胞类型。

反义词

differentiation

分化

Cell differentiation is essential for the development of specialized tissues.

细胞分化对专门组织的发展至关重要。

multipotency

多能性

Multipotent stem cells can develop into multiple cell types but not all.

多能干细胞可以发展成多种细胞类型,但不是所有类型。

例句

1.AIM: the key of the human embryonic stem cell culture is to guarantee the totipotency and inhibit spontaneous differentiation.

目的:人胚胎干细胞传代培养的关键是抑制其自发分化、保证细胞的全能性。

2.Identification of totipotency and pluripotency.

全能性和多能性鉴定。

3.This work was based on one of the plant systematic evaluation hypotheses that the freshwater plants originated from the ocean and the theory of plant cell totipotency.

本研究是以植物起源于海洋的系统进化理论和植物细胞的全能性理论为依据的。

4.Embryo bisection is a powerful means in the study of cell differentiation, early embryonic development and the totipotency of embryo cell.

胚胎分割是研究细胞分化、早期胚胎发育、胚胎细胞全能性的有力手段。

5.The ensuing gene expression profile in the cleavage-stage embryo establishes totipotency and is required for further development.

随后卵裂时期胚胎的基因表达模式将建立一种全能性,这对进一步发育是必需的。

6.In cell totipotency, cells of plant have the potential to develop into embryos and plants.

细胞全能性学说认为,植物的细胞具有发育为胚胎和植株的潜能。

7.Somatic embryogenesis is a way of plant cell totipotency, and a new pathway of rapid propagation.

体胚发生是植物细胞全能性的一种表达方式,是快速繁殖的新途径。

8.In plant biology, totipotency allows for the regeneration of entire plants from a single somatic cell.

在植物生物学中,全能性使得从单个体细胞再生整个植物成为可能。

9.Stem cells are often studied for their totipotency, which makes them valuable for regenerative medicine.

干细胞常因其全能性而受到研究,这使它们在再生医学中具有重要价值。

10.Research on totipotency has implications for cloning and genetic engineering.

全能性的研究对克隆和基因工程有重要影响。

11.The totipotency of zygotes is what enables them to differentiate into all cell types in an organism.

受精卵的全能性使它们能够分化为生物体内的所有细胞类型。

12.The concept of totipotency is fundamental in developmental biology, as it refers to the ability of a single cell to develop into a complete organism.

细胞的全能性概念在发育生物学中是基本的,因为它指的是单个细胞发展成完整生物体的能力。

作文

In the fascinating world of biology, the concept of totipotency plays a crucial role in understanding how life begins and develops. Totipotency refers to the ability of a single cell to divide and develop into a complete organism. This remarkable property is most commonly associated with the earliest stages of embryonic development, where a fertilized egg, or zygote, has the potential to give rise to all the cell types necessary for forming an entire organism. The journey of life starts with this unique cell that possesses totipotency. As it divides, it gives rise to a series of cells that can either remain as stem cells or differentiate into specialized cells, such as muscle cells, nerve cells, or blood cells. This differentiation is a complex process influenced by various factors, including genetic information, environmental signals, and cellular interactions. Understanding totipotency is essential for scientists as it opens up avenues for research in regenerative medicine and developmental biology.One of the most significant implications of totipotency is its application in cloning and stem cell research. The ability to reprogram differentiated cells back to a totipotent state could revolutionize medicine. For instance, scientists are exploring ways to create patient-specific stem cells that could potentially repair damaged tissues or organs. This could lead to breakthroughs in treating diseases such as Parkinson's, diabetes, and heart disease, where cell replacement therapies could restore normal function.Moreover, the study of totipotency extends beyond human health. In agriculture, understanding how to manipulate totipotent cells can enhance crop production and resilience. Scientists are investigating ways to induce totipotency in plant cells to produce new varieties that are more resistant to pests, diseases, or climate change. This research not only promises to improve food security but also contributes to sustainable agricultural practices.However, the ethical considerations surrounding totipotency cannot be overlooked. As we delve deeper into the manipulation of life at its most fundamental level, questions regarding the moral implications of cloning and genetic engineering arise. Striking a balance between scientific advancement and ethical responsibility is paramount. Society must engage in discussions about how to harness the power of totipotency while ensuring that we respect the complexities of life.In conclusion, totipotency is a foundational concept in biology that encapsulates the extraordinary potential of a single cell to develop into a complete organism. Its implications stretch across various fields, from medicine to agriculture, highlighting the transformative power of understanding life at its earliest stages. As we continue to explore the mysteries of totipotency, it is essential to navigate the ethical landscape thoughtfully, ensuring that our pursuit of knowledge benefits humanity as a whole.

在生物学的迷人世界中,全能性的概念在理解生命如何开始和发展中发挥着至关重要的作用。全能性是指单个细胞分裂并发育成完整有机体的能力。这一非凡特性通常与胚胎发育的最早阶段相关,在这个阶段,受精卵或合子具有产生形成整个有机体所需的所有细胞类型的潜力。生命的旅程始于这种独特的细胞,它具有全能性。随着它的分裂,它产生了一系列细胞,这些细胞可以保持为干细胞或分化为专门化细胞,如肌肉细胞、神经细胞或血细胞。这种分化是一个复杂的过程,受到多种因素的影响,包括遗传信息、环境信号和细胞间相互作用。理解全能性对科学家来说至关重要,因为它为再生医学和发育生物学的研究开辟了新的途径。全能性的一个重要意义在于它在克隆和干细胞研究中的应用。将分化细胞重编程回全能性状态的能力可能会彻底改变医学。例如,科学家们正在探索创造患者特异性干细胞的方法,这些干细胞可能修复受损的组织或器官。这可能导致治疗如帕金森病、糖尿病和心脏病等疾病的突破,其中细胞替代疗法可以恢复正常功能。此外,全能性的研究不仅限于人类健康。在农业中,理解如何操控全能性细胞可以增强作物的生产力和抗逆性。科学家们正在研究诱导植物细胞进入全能性状态的方法,以生产更能抵御害虫、疾病或气候变化的新种类。这项研究不仅有望改善粮食安全,还促进可持续农业实践。然而,围绕全能性的伦理考虑不容忽视。当我们深入探讨在生命最基本层面上的操控时,关于克隆和基因工程的道德影响的问题就会浮出水面。在科学进步与伦理责任之间取得平衡至关重要。社会必须参与关于如何利用全能性的力量,同时确保我们尊重生命的复杂性。总之,全能性是生物学中的一个基础概念,它概括了单个细胞发展为完整有机体的非凡潜力。其影响跨越多个领域,从医学到农业,突出理解生命早期阶段的变革性力量。随着我们继续探索全能性的奥秘,必须谨慎地导航伦理领域,确保我们对知识的追求惠及整 humanity。