procambium

简明释义

英[prəʊˈkæmbɪəm]美[proˈkæmbiəm]

n. [植] 原形成层；前形成层

复 数 p r o c a m b i a

英英释义

单词用法

同义词

反义词

例句

1.Cells of the procambium and ground meristem are more vacuolated than those of the protoderm.

原形成层和基本分生组织的细胞比原表皮层细胞更加液泡化。

2.Study of the Transition from Procambium to Vascular cambium in Erythrina Arborescens Roxb.

原形成层向维管形成层转化的研究。

3.Leaf buttress a leaf primordium, appearing as a protuberance on the side of the stem apex, produced by periclinal division of the tunica and corpus, and associated with a procambium.

顶端分生组织上的侧生突起发育成叶的原基，与原形成层有关。

4.The procambium continuously develop to the apex after it arises from the place where the leaf primordia originates from below the apical meristem.

原形成层在顶端分生组织之下叶原基起源的地方发生。

5.Leaf buttress a leaf primordium, appearing as a protuberance on the side of the stem apex, produced by periclinal division of the tunica and corpus, and associated with a procambium.

顶端分生组织上的侧生突起发育成叶的原基，与原形成层有关。

6.Primary phloem PHLOEM derived from the procambium in the young plant.

初生韧皮部：指幼嫩植物中来源于原形成层的韧皮部。

7.Procambium (procambium strand) The layer of cells that gives rise to the vascular tissue.

原形成层（原形成层束）：形成维管组织的一层细胞。

8.Primary vascular tissue, which is found in all vascular plants, is formed from the procambium.

初生维管组织由原形成层发育而来，在所有维管植物中都有存在。

9.The procambium 原分生组织 is located between the epidermis and the vascular bundles.

原分生组织位于表皮和维管束之间。

10.During the early stages of plant development, the procambium 原分生组织 differentiates into xylem and phloem.

在植物发育的早期阶段，原分生组织分化为木质部和韧皮部。

11.The procambium 原分生组织 is crucial for the formation of vascular tissues in plants.

原分生组织在植物的维管组织形成中至关重要。

12.In monocots, the procambium 原分生组织 forms a continuous ring around the stem.

在单子叶植物中，原分生组织形成一个环绕茎的连续环。

13.Researchers studied the role of procambium 原分生组织 in the regeneration of damaged plant tissues.

研究人员研究了原分生组织在受损植物组织再生中的作用。

作文

In the study of plant biology, one of the essential concepts to grasp is the role of the meristematic tissues. Among these tissues, the term procambium refers to a specific type of meristematic tissue that is crucial in the development of vascular tissues in plants. The procambium (原形成层) is primarily involved in the formation of xylem and phloem, which are vital for water and nutrient transport throughout the plant. Understanding the function of procambium is fundamental for anyone interested in botany or horticulture, as it plays a significant role in the plant's growth and development.The procambium is typically found in the shoot and root apices of plants, where it contributes to the primary growth. This means that it helps the plant to grow taller and develop new leaves and branches. The cells within the procambium are undifferentiated, meaning they have the potential to become various types of cells. As the plant matures, some of these cells will differentiate into xylem cells, which are responsible for transporting water from the roots to the rest of the plant, while others will become phloem cells, which transport sugars and other metabolic products downward from the leaves.One fascinating aspect of the procambium is its ability to respond to environmental conditions. For instance, if a plant is experiencing drought, the procambium may alter its growth patterns to favor the development of xylem cells that can better transport water. This adaptability is crucial for the survival of plants in varying climates and conditions.In addition to its role in primary growth, the procambium also has implications for secondary growth, particularly in woody plants. In these plants, the procambium contributes to the formation of a cambium layer, which allows for an increase in the girth of stems and roots. This process is essential for the longevity of trees, enabling them to grow larger and support more leaves, which in turn enhances photosynthesis and overall plant health.Moreover, the study of procambium has practical applications in agriculture and forestry. By understanding how this tissue functions, scientists and farmers can develop better strategies for cultivating crops and managing forests. For example, knowledge about the procambium can lead to improved breeding programs aimed at producing plants that are more resilient to stressors like drought or disease.In conclusion, the procambium is a vital component of plant development, serving as the foundation for vascular tissue formation and contributing to both primary and secondary growth. Its significance extends beyond theoretical knowledge, impacting practical applications in agriculture and horticulture. As we continue to explore the complexities of plant biology, the role of procambium will undoubtedly remain a focal point of research and innovation, helping us to better understand and utilize the remarkable capabilities of plants in our ecosystems.

在植物生物学的研究中，理解分生组织的作用是至关重要的。在这些组织中，procambium（原形成层）是指一种特定类型的分生组织，它在植物维管组织的发展中起着关键作用。procambium主要参与木质部和韧皮部的形成，这对植物内部水分和养分的运输至关重要。理解procambium的功能对于任何对植物学或园艺感兴趣的人来说都是基础，因为它在植物的生长和发育中发挥着重要作用。procambium通常位于植物的茎和根尖端，在这里它有助于初级生长。这意味着它帮助植物长高并发展新的叶子和枝条。procambium中的细胞是未分化的，意味着它们有潜力转变为各种类型的细胞。随着植物的成熟，其中一些细胞将分化为木质部细胞，负责将水分从根部运输到植物的其他部分，而其他细胞则会成为韧皮部细胞，将糖分和其他代谢产物从叶子向下运输。procambium的一个迷人之处在于它能够响应环境条件。例如，如果植物经历干旱，procambium可能会改变其生长模式，以优先发展能够更好地运输水分的木质部细胞。这种适应能力对植物在不同气候和条件下的生存至关重要。除了在初级生长中的作用外，procambium在木本植物的次生生长中也具有重要意义。在这些植物中，procambium有助于形成形成层，这使得茎和根的直径增加。这一过程对树木的寿命至关重要，使它们能够长得更大，并支撑更多的叶子，从而增强光合作用和整体植物健康。此外，研究procambium在农业和林业中具有实际应用。通过理解这种组织的功能，科学家和农民可以制定更好的策略来培养作物和管理森林。例如，关于procambium的知识可以导致改进的育种计划，旨在生产对干旱或疾病等压力源更具韧性的植物。总之，procambium是植物发育的重要组成部分，作为维管组织形成的基础，并促进初级和次级生长。它的重要性超越了理论知识，对农业和园艺的实际应用产生了影响。随着我们继续探索植物生物学的复杂性，procambium的作用无疑将继续成为研究和创新的焦点，帮助我们更好地理解和利用植物在生态系统中的卓越能力。