aboral margin

简明释义

反口缘;

英英释义

例句

1.During the dissection, we carefully measured the aboral margin (腹侧边缘) of the specimen.

在解剖过程中，我们仔细测量了标本的腹侧边缘。

2.Researchers observed the aboral margin (腹侧边缘) to identify growth patterns in starfish.

研究人员观察腹侧边缘以识别海星的生长模式。

3.The marine biologist noted the condition of the aboral margin (腹侧边缘) during the survey of sea cucumbers.

海洋生物学家在对海参的调查中注意到了腹侧边缘的状况。

4.In echinoderms, the aboral margin (腹侧边缘) is crucial for understanding their anatomy.

在棘皮动物中，腹侧边缘对于理解它们的解剖结构至关重要。

5.The aboral margin (腹侧边缘) of the jellyfish was examined for signs of regeneration.

水母的腹侧边缘被检查是否有再生的迹象。

作文

Understanding the intricate structures of marine organisms can be a fascinating journey into the depths of biology. One such term that often comes up in the study of echinoderms, particularly sea stars and sea urchins, is the aboral margin. The aboral margin refers to the surface of these organisms that is opposite to the mouth. In simpler terms, it is the side of the organism that faces away from where food enters. This concept is crucial for understanding how these animals interact with their environment and perform essential life functions. Echinoderms exhibit a unique radial symmetry, which means their body parts are arranged around a central axis. This symmetry plays a significant role in their anatomy and physiology. The aboral margin is often adorned with various structures such as spines, tubercles, or even pedicellariae, which serve multiple purposes including protection from predators and aiding in locomotion. For example, in sea stars, the aboral margin may have small spines that help deter potential threats while also providing some structural support. Additionally, the aboral margin can be involved in respiration and excretion processes. In many echinoderms, the skin is involved in gas exchange, and the area around the aboral margin can play a role in this vital function. The presence of specialized cells and structures allows for the efficient exchange of gases, ensuring that the organism can thrive in its aquatic habitat. Furthermore, the aboral margin may also house sensory organs that help the organism detect changes in its environment, contributing to its survival. Studying the aboral margin provides insights into the evolutionary adaptations of echinoderms. These adaptations have allowed them to occupy various ecological niches and survive in diverse marine environments. For instance, the development of a robust aboral margin in certain species can be linked to their lifestyle and habitat preferences. Some species may require a more fortified aboral margin to withstand strong currents or predation pressures, while others may have a softer structure that aids in camouflage. In conclusion, the term aboral margin is more than just a scientific label; it encapsulates the complexity and beauty of marine life. By understanding the significance of the aboral margin, we gain a deeper appreciation for the adaptations that enable echinoderms to thrive in their environments. As we continue to explore the oceans, studying these fascinating creatures and their anatomical features will undoubtedly reveal more about the interconnectedness of life on Earth. In summary, the aboral margin serves as a critical aspect of echinoderm anatomy, influencing their behavior, survival, and evolutionary success. Understanding this term not only enriches our knowledge of marine biology but also highlights the importance of preserving these unique organisms and their habitats for future generations.

理解海洋生物的复杂结构可以是对生物学深度探索的迷人旅程。一个在研究棘皮动物，尤其是海星和海胆时经常出现的术语是腹侧边缘。腹侧边缘指的是这些生物与口腔相对的表面。简单来说，它是指生物面向食物进入的相反一侧。这个概念对于理解这些动物如何与环境互动以及执行基本生命功能至关重要。棘皮动物表现出独特的辐射对称性，这意味着它们的身体部位围绕中央轴线排列。这种对称性在它们的解剖学和生理学中起着重要作用。腹侧边缘通常装饰有各种结构，如刺、突起或甚至小器官，这些结构具有多重目的，包括保护免受捕食者的侵害和帮助运动。例如，在海星中，腹侧边缘可能有小刺，帮助抵御潜在威胁，同时提供一些结构支持。此外，腹侧边缘也可能涉及呼吸和排泄过程。在许多棘皮动物中，皮肤参与气体交换，而腹侧边缘周围的区域可以在这一重要功能中发挥作用。专门细胞和结构的存在使得气体的有效交换成为可能，确保生物能够在水生栖息地中繁衍生息。此外，腹侧边缘也可能容纳感官器官，帮助生物检测环境变化，从而促进其生存。研究腹侧边缘为我们提供了对棘皮动物进化适应的见解。这些适应使它们能够占据各种生态位，并在多样的海洋环境中生存。例如，某些物种中强健的腹侧边缘的发展可以与它们的生活方式和栖息地偏好联系起来。一些物种可能需要更坚固的腹侧边缘来抵御强流或捕食压力，而其他物种则可能拥有更柔软的结构，以帮助伪装。总之，腹侧边缘这个术语不仅仅是一个科学标签；它囊括了海洋生命的复杂性和美丽。通过理解腹侧边缘的重要性，我们对棘皮动物能够在其环境中生存的适应性有了更深的欣赏。随着我们继续探索海洋，研究这些迷人的生物及其解剖特征无疑将揭示出更多关于地球生命相互关联性的知识。总之，腹侧边缘作为棘皮动物解剖学的重要方面，影响着它们的行为、生存和进化成功。理解这个术语不仅丰富了我们对海洋生物学的知识，还突显了保护这些独特生物及其栖息地的重要性，以便为后代留存。