apical axis

简明释义

1. 壳轴; 2. 长轴;

英英释义

例句

1.In this study, we measured the angle of the apical axis in various species.

在这项研究中，我们测量了不同物种的顶端轴角度。

2.Researchers focused on the apical axis to understand plant morphology.

研究人员关注顶端轴以理解植物形态学。

3.The apical axis plays a crucial role in determining the symmetry of the flower.

花的对称性由顶端轴起着至关重要的作用。

4.The plant's growth is determined by the orientation of the apical axis.

植物的生长受顶端轴的方向影响。

5.Changes in the apical axis can affect the overall shape of the organism.

在顶端轴上的变化会影响生物体的整体形状。

作文

In the realm of biology, understanding the structure and function of various organisms is essential for comprehending their survival and adaptation strategies. One key concept that emerges in this field is the notion of the apical axis, which refers to the vertical axis of an organism that extends from its apex or topmost point down to its base or bottom. This axis plays a crucial role in defining the orientation and growth patterns of plants and animals alike. For instance, in plants, the apical axis is significant for determining how they grow towards light sources, a phenomenon known as phototropism. The cells at the tip of the plant, known as the apical meristem, are responsible for producing new tissues and facilitating upward growth along this axis.Moreover, the apical axis is not just limited to plants; it also has implications in the animal kingdom. In animals, the apical axis can be observed in the way certain species exhibit bilateral symmetry, where their body structures are arranged around this central line. This symmetry allows for efficient movement and functionality in various environments. For example, many fish have streamlined bodies that align with their apical axis, enabling them to swim more effectively through water.Furthermore, the concept of the apical axis extends beyond mere physical structures; it also influences developmental biology. During embryonic development, the establishment of the apical axis is critical for proper organ formation and spatial organization within the organism. Disruptions to this axis can lead to developmental anomalies, underscoring its importance in the life cycle of organisms.In summary, the apical axis serves as a fundamental aspect of biological structure and function. It guides growth patterns in plants, facilitates symmetry and movement in animals, and is integral to the developmental processes in embryos. By studying the apical axis, scientists can gain insights into the evolutionary adaptations of different species and their interactions with the environment. Understanding this concept is vital for advancements in fields such as genetics, ecology, and conservation biology, where the intricate relationships between form and function are explored. Ultimately, the apical axis is a testament to the complexity and beauty of life, illustrating how organisms have evolved specialized structures to thrive in their respective habitats.

在生物学领域，理解各种生物的结构和功能对于理解它们的生存和适应策略至关重要。一个关键概念是apical axis，即生物体从其顶点或最高点向下延伸到其基部或底部的垂直轴。这一轴线在定义植物和动物的方向和生长模式方面起着至关重要的作用。例如，在植物中，apical axis对于确定它们如何朝向光源生长，即光向性，具有重要意义。植物顶端的细胞被称为顶端分生组织，负责产生新组织并促进沿该轴向上生长。此外，apical axis不仅限于植物；它在动物界也有影响。在动物中，可以观察到某些物种表现出双侧对称性，其身体结构围绕这一中心线排列。这种对称性允许在各种环境中高效移动和功能。例如，许多鱼类的流线型身体与其apical axis对齐，使它们能够更有效地游泳。此外，apical axis的概念不仅仅局限于物理结构；它还影响发育生物学。在胚胎发育过程中，建立apical axis对于器官的正确形成和生物体内空间的组织至关重要。对这一轴线的干扰可能导致发育异常，强调了它在生物体生命周期中的重要性。总之，apical axis作为生物结构和功能的基本方面，指导着植物的生长模式，促进动物的对称性和运动，并且在胚胎的发育过程中至关重要。通过研究apical axis，科学家可以深入了解不同物种的进化适应及其与环境的相互作用。理解这一概念对于遗传学、生态学和保护生物学等领域的进步至关重要，这些领域探索形式与功能之间的复杂关系。最终，apical axis证明了生命的复杂性和美丽，展示了生物体如何进化出专门的结构以在各自栖息地中繁荣。