abaxial

简明释义

英[æbˈæksɪəl]美[æbˈæksɪəl]

adj. 远轴的；轴外的

英英释义

单词用法

同义词

反义词

例句

1.Early leaf development is artificially divided into three main stages: the initiation of leaf primordium, the establishment of leaf adaxial-abaxial polarity, and the expansion of leaf blade.

早期叶片发育包括三个主要过程：叶原基的起始，叶片腹背性的建立和叶片的延展。

2.Abaxial leaf surface with a patchy discontinuous indumentum.

叶背面具一不规则的不连续的毛被。

3.The haris originated from the epidermis cells of the stem axis, the petiole, the floral shoot and abaxial surface of the young leaves.

它们起源于叶片远轴面、叶柄的表皮细胞以及苗端茎轴、花柄的表皮细胞。

4.The micro-morphology of leaf abaxial epidermis of 12 species(including varieties and forma) of Fimbristylis from shandong were studied under light microscope.

利用光学显微镜观察了飘拂草属12个类群（包括变种和变型）的叶片下表皮微形态。

5.The surface free energy and its component of the adaxial and abaxial surfaces of peach leaves in different growing periods were determined by OWRK method.

应用owrk法对不同生长期桃叶的近轴面、远轴面的表面自由能及其分量进行了测定。

6.DH type abaxial compressor often could not work well because of the troubles such like losing balance, failure of gear joggle and bearing during working.

DH型离心压缩机在工作中较常出现不平衡、齿轮啮合故障和轴承故障等问题。

7.The epidermis of culm is identical to the abaxial surface of leaf blades both in transverse section and in surface view.

秆表皮的横切面观和表面观均与叶的下表皮相似。

8.Leaf blade base cuneate, abaxial surface with gray-white indumentum; corolla magenta-rose.

背面用灰白色的毛被，叶片基部楔形；花冠。

9.The abaxial plantar proper digital artery is a direct continuation of the plantar branch of the proximal phalanx of the axial plantar proper digital artery.

趾跖远轴侧固有动脉是趾跖轴侧固有动脉的近趾节跖侧支的直接延续；

10.The abaxial side of the leaf tends to be darker due to higher chlorophyll concentration.

叶子的背面由于叶绿素浓度较高，往往颜色更深。

11.The leaf's abaxial surface is where most of the stomata are located.

叶子的背面是大多数气孔所在的地方。

12.The abaxial epidermis of the leaf helps in reducing water loss.

叶子的背面表皮有助于减少水分流失。

13.During the experiment, we observed the abaxial leaf surfaces under a microscope.

在实验中，我们用显微镜观察了叶子的背面。

14.In many plants, the abaxial side of the petal is less colorful than the adaxial side.

在许多植物中，花瓣的背面颜色通常比正面淡。

作文

In the study of botany, understanding the various parts of a plant is crucial for comprehending how they function and interact with their environment. One important term that often comes up in this field is abaxial, which refers to the side of an organ that is away from the axis or the main stem of the plant. This term is particularly relevant when discussing leaves, as it helps to distinguish between the different surfaces that can impact a plant's ability to photosynthesize and respond to environmental stimuli. The abaxial surface of a leaf typically faces downward, while the adaxial surface faces upward toward the sun.To illustrate the importance of the abaxial surface, consider how leaves are structured. Most plants have leaves that are flat and broad, allowing them to capture sunlight efficiently. The adaxial surface is usually smooth and waxy, which helps to reduce water loss through evaporation. In contrast, the abaxial surface is often covered with tiny pores called stomata. These stomata play a critical role in gas exchange, allowing carbon dioxide to enter the leaf while releasing oxygen as a byproduct of photosynthesis. The positioning of these stomata on the abaxial surface helps to minimize water loss while still enabling the necessary gas exchange for the plant's survival.Moreover, the abaxial side of leaves can also be home to various adaptations that help plants thrive in their specific environments. For example, some plants that grow in arid conditions may have a thicker cuticle on the abaxial surface, which provides additional protection against desiccation. On the other hand, plants in shaded areas might have more chlorophyll on the abaxial side to maximize light absorption. Understanding these adaptations is essential for botanists and ecologists alike, as it sheds light on how plants evolve to survive in diverse habitats.Furthermore, the concept of abaxial can extend beyond just leaves. In flowers, the abaxial petals are those that face away from the center of the flower, while the adaxial petals face inward. This distinction can influence pollinator behavior, as certain insects may be attracted to the colors or patterns displayed on the abaxial petals. Thus, the arrangement of floral organs can significantly affect a plant's reproductive success.In conclusion, the term abaxial is not merely a botanical jargon; it encapsulates vital information about plant structure and function. By recognizing the significance of the abaxial surface, we can gain a deeper appreciation for how plants adapt to their environments and optimize their growth and reproduction. Whether studying leaves or flowers, understanding the abaxial aspect provides insights into the intricate relationships between plants and their surroundings. As we continue to explore the fascinating world of botany, terms like abaxial will remain essential for conveying complex biological concepts clearly and accurately.

在植物学研究中，理解植物的各个部分对于理解它们如何运作以及与环境的相互作用至关重要。一个经常出现的重要术语是abaxial，它指的是远离植物主干或轴心的一侧。这个术语在讨论叶子时尤为相关，因为它有助于区分不同的表面，这些表面会影响植物的光合作用能力和对环境刺激的反应。叶子的abaxial表面通常朝下，而adaxial表面则朝上，面向阳光。为了说明abaxial表面的重要性，考虑一下叶子的结构。大多数植物的叶子都是平坦而宽广的，这使它们能够有效地捕捉阳光。adaxial表面通常光滑且有蜡质，有助于减少通过蒸发造成的水分流失。相反，abaxial表面通常覆盖着称为气孔的小孔。这些气孔在气体交换中起着关键作用，使二氧化碳可以进入叶子，同时释放出光合作用的副产品氧气。这些气孔在abaxial表面的位置有助于最小化水分流失，同时仍能实现植物生存所需的气体交换。此外，叶子的abaxial侧也可能拥有各种适应特征，帮助植物在特定环境中茁壮成长。例如，一些生长在干旱条件下的植物可能在abaxial表面上具有更厚的角质层，从而提供额外的保护以防止脱水。另一方面，生长在阴暗地区的植物可能在abaxial侧有更多的叶绿素，以最大限度地吸收光线。理解这些适应特征对于植物学家和生态学家来说至关重要，因为它揭示了植物如何进化以在不同栖息地中生存。此外，abaxial的概念不仅限于叶子。在花朵中，abaxial花瓣是那些面向花中心的花瓣，而adaxial花瓣则面向内侧。这种区分可能会影响授粉者的行为，因为某些昆虫可能会被abaxial花瓣上展示的颜色或图案所吸引。因此，花器官的排列可以显著影响植物的繁殖成功。总之，术语abaxial不仅仅是植物学术语；它包含了关于植物结构和功能的重要信息。通过认识到abaxial表面的重要性，我们可以更深入地理解植物如何适应其环境并优化其生长和繁殖。无论是研究叶子还是花朵，理解abaxial方面都能提供对植物与其周围环境之间复杂关系的深刻见解。随着我们继续探索植物学的迷人世界，像abaxial这样的术语将继续在清晰准确地传达复杂生物概念中发挥重要作用。