bordered pit

简明释义

具缘纹孔

英英释义

例句

1.Researchers studied the structure of the bordered pit to understand its role in plant physiology.

研究人员研究了边界孔的结构，以理解其在植物生理中的作用。

2.In microscopy, the bordered pit can be observed as a key feature of certain wood types.

在显微镜观察中，边界孔可以被视为某些木材类型的关键特征。

3.During the dissection, we noticed several bordered pits along the xylem vessels.

在解剖过程中，我们注意到木质部导管上有几个边界孔。

4.The plant's xylem features a distinctive bordered pit, which allows for efficient water transport.

植物的木质部具有独特的边界孔，这有助于高效的水分运输。

5.The formation of a bordered pit is crucial for maintaining the integrity of the plant's vascular system.

形成边界孔对维持植物的维管系统完整性至关重要。

作文

In the realm of plant biology, understanding the intricate structures that facilitate water and nutrient transport is essential. One such structure is the bordered pit, which plays a crucial role in the function of xylem tissue. Xylem is responsible for transporting water from the roots to the leaves, and the bordered pit serves as a specialized area where this transport can be regulated. These pits are typically found in the cell walls of tracheids and vessel elements, which are the primary components of xylem. The bordered pit consists of a circular or oval opening surrounded by a border of secondary cell wall material. This unique structure allows for the movement of water while also providing a barrier to prevent air bubbles from entering the xylem, which could disrupt the water transport process. The presence of these pits enables plants to maintain efficient hydraulic conductivity, especially during times of drought when water availability is limited.Moreover, the arrangement and density of bordered pits can vary among different plant species, reflecting their adaptation to various environmental conditions. For instance, in species that inhabit arid regions, the bordered pit may be less permeable to minimize water loss, while in more humid environments, these pits may allow for greater water flow to support rapid growth.In addition to their role in water transport, bordered pits also play a part in the overall health and longevity of a plant. When a plant experiences stress, such as from disease or physical damage, the bordered pit can help regulate the flow of sap and other substances that are vital for the plant's recovery. This regulation is critical because it ensures that the plant can respond appropriately to environmental challenges, which is essential for its survival.Furthermore, the study of bordered pits has implications beyond botany; it intersects with fields such as ecology, agriculture, and even materials science. Understanding how these structures function can lead to advancements in agricultural practices, particularly in developing crops that are more resilient to climate change. For example, researchers can explore genetic modifications that enhance the efficiency of bordered pits, leading to crops that require less water and can thrive in harsher conditions.In conclusion, the bordered pit is a fascinating component of plant anatomy that exemplifies the complexity of biological systems. Its role in facilitating water transport, adapting to environmental conditions, and supporting plant health underscores its importance in the life of a plant. As we continue to explore the intricacies of plant biology, the bordered pit remains a key area of interest that holds promise for future research and applications in various scientific fields.

在植物生物学领域，理解促进水分和养分运输的复杂结构至关重要。其中一个结构是边界孔，它在木质部组织的功能中发挥着关键作用。木质部负责将水从根部运输到叶子，而边界孔则作为一个专门区域，调节这一运输。这些孔通常存在于导管和导管元件的细胞壁中，这些是木质部的主要组成部分。边界孔由一个圆形或椭圆形的开口组成，周围环绕着次生细胞壁材料的边界。这种独特的结构允许水分的移动，同时提供屏障，防止空气泡沫进入木质部，这可能会干扰水分运输过程。这些孔的存在使植物能够保持高效的水力导电性，尤其是在干旱时期水源有限时。此外，边界孔的排列和密度在不同植物物种之间可能有所不同，反映出它们对各种环境条件的适应。例如，在生长于干旱地区的物种中，边界孔可能较不渗透，以最小化水分流失，而在更潮湿的环境中，这些孔可能允许更大的水流，以支持快速生长。除了在水分运输中的作用外，边界孔还在植物的整体健康和寿命中发挥作用。当植物经历压力，例如来自疾病或物理损伤时，边界孔可以帮助调节树液和其他对植物恢复至关重要的物质的流动。这种调节至关重要，因为它确保植物能够适当地响应环境挑战，这对其生存至关重要。此外，边界孔的研究不仅限于植物学；它与生态学、农业甚至材料科学等领域交叉。了解这些结构的功能可以推动农业实践的进步，特别是在开发对气候变化更具韧性的作物方面。例如，研究人员可以探索增强边界孔效率的基因改造，从而培育出需要更少水分并能在更恶劣条件下茁壮成长的作物。总之，边界孔是植物解剖学中一个迷人的组成部分，体现了生物系统的复杂性。它在促进水分运输、适应环境条件和支持植物健康中的作用凸显了其在植物生活中的重要性。随着我们继续探索植物生物学的复杂性，边界孔仍然是一个关键的研究领域，蕴含着未来研究和各个科学领域应用的潜力。