periclinal

简明释义

英[ˌperɪˈklaɪn(ə)l]美[ˌperəˈklaɪnl]

adj. 平周的；穹状的；围斜的

英英释义

单词用法

同义词

反义词

例句

1.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。

2.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。

3.Understanding periclinal 周向的 layers helps in explaining the structure of plant tissues.

理解周向的periclinal层次有助于解释植物组织的结构。

4.The researchers noted that periclinal 周向的 cell divisions contributed to the thickening of the stem.

研究人员注意到，周向的periclinal细胞分裂促进了茎的增厚。

5.In the study of meristematic tissues, periclinal 周向的 divisions are crucial for maintaining growth.

在对分生组织的研究中，周向的periclinal分裂对于维持生长至关重要。

6.The plant's growth pattern exhibited a clear periclinal 周向的 arrangement of cells.

植物的生长模式显示出细胞的清晰周向的periclinal排列。

7.The periclinal 周向的 orientation of cells is essential for proper leaf development.

细胞的周向的periclinal取向对于叶片的正常发育至关重要。

作文

In the fascinating world of botany, the term periclinal refers to a specific orientation of cell division in plants. This concept is crucial for understanding how plants grow and develop their tissues. When we talk about periclinal divisions, we are referring to the process where cells divide parallel to the surface of a plant organ, such as leaves or stems. This type of division plays a significant role in the formation of various plant structures, including the epidermis and other outer layers of tissue. Understanding periclinal divisions is essential for botanists and horticulturists alike. It allows them to comprehend how plants maintain their structure and adapt to their environment. For instance, when a plant experiences growth, the periclinal cell divisions contribute to the thickening of the stem or leaf, which is vital for supporting the plant and maximizing its exposure to sunlight. This process is particularly important in woody plants, where the outer layers must be strong enough to withstand various environmental pressures.Moreover, periclinal divisions are often contrasted with anticlinal divisions, where the cells divide perpendicular to the surface. This distinction is crucial because it highlights the different roles that these two types of divisions play in plant growth. While periclinal divisions increase the surface area and thickness of plant organs, anticlinal divisions are responsible for increasing the overall number of cells in a particular layer.Additionally, the study of periclinal divisions can have practical applications in agriculture and horticulture. By manipulating these processes, scientists can develop new techniques for enhancing plant growth, improving crop yields, and creating more resilient plant varieties. For example, understanding how to induce periclinal divisions in specific plant tissues may lead to advancements in tissue culture and cloning, allowing for the rapid propagation of desirable plant traits.Furthermore, researchers are exploring the genetic and molecular mechanisms that regulate periclinal divisions. By identifying the genes responsible for this type of cell division, scientists hope to gain insights into how plants respond to environmental stimuli and how they can be engineered for better performance under stress conditions, such as drought or disease.In conclusion, the term periclinal encompasses a vital aspect of plant biology that is fundamental to our understanding of how plants grow and develop. This knowledge not only enriches our comprehension of plant anatomy and physiology but also opens up new avenues for agricultural innovation. As we continue to explore the intricacies of plant life, the significance of periclinal divisions will undoubtedly remain a key focus in both research and practical applications within the field of botany.

在植物学的迷人世界中，术语periclinal指的是植物中细胞分裂的一种特定方向。这个概念对于理解植物如何生长和发育其组织至关重要。当我们谈论periclinal分裂时，我们指的是细胞平行于植物器官表面（如叶子或茎）分裂的过程。这种类型的分裂在各种植物结构的形成中起着重要作用，包括表皮和其他外层组织。理解periclinal分裂对于植物学家和园艺师来说都是必不可少的。它使他们能够理解植物如何保持其结构并适应环境。例如，当植物经历生长时，periclinal细胞分裂有助于茎或叶的增厚，这对于支持植物和最大化其阳光暴露至关重要。这个过程在木本植物中尤为重要，因为外层必须足够强大以承受各种环境压力。此外，periclinal分裂通常与抗向分裂相对立，后者是细胞垂直于表面分裂。这一区别至关重要，因为它突显了这两种分裂在植物生长中所发挥的不同作用。虽然periclinal分裂增加了植物器官的表面积和厚度，但抗向分裂则负责增加特定层中细胞的总体数量。此外，对periclinal分裂的研究在农业和园艺中也具有实际应用。通过操控这些过程，科学家可以开发出增强植物生长、提高作物产量和创造更具韧性的植物品种的新技术。例如，了解如何在特定植物组织中诱导periclinal分裂可能会导致组织培养和克隆方面的进步，从而快速传播理想的植物特性。此外，研究人员正在探索调节periclinal分裂的遗传和分子机制。通过识别负责这种细胞分裂的基因，科学家希望深入了解植物如何响应环境刺激，以及如何对其进行工程改造，以在干旱或疾病等压力条件下表现更好。总之，术语periclinal涵盖了植物生物学的一个重要方面，这对于我们理解植物如何生长和发育至关重要。这一知识不仅丰富了我们对植物解剖学和生理学的理解，而且为农业创新开辟了新的途径。随着我们继续探索植物生命的复杂性，periclinal分裂的重要性无疑将继续成为植物学领域研究和实际应用的关键焦点。