hemocoel

简明释义

英[ˈhiːməsiːl]美[ˈheməsil]

n. [无脊椎] 血腔

英英释义

单词用法

同义词

反义词

例句

1.The invention also discloses a promoter used to guide the specific expression of target gene in insect hemocoel.

本发明还公开了一种可用于指导目的基因在昆虫血腔中特异表达的启动子。

2.The invention also discloses a promoter used to guide the specific expression of target gene in insect hemocoel.

本发明还公开了一种可用于指导目的基因在昆虫血腔中特异表达的启动子。

3.Researchers are studying how toxins affect the flow of hemolymph within the hemocoel of crustaceans.

研究人员正在研究毒素如何影响甲壳类动物的血腔内血淋巴的流动。

4.During the examination of the insect's anatomy, we observed the large size of the hemocoel compared to the digestive organs.

在检查昆虫的解剖结构时，我们观察到与消化器官相比，血腔的大小很大。

5.In arthropods, the blood circulates freely within the hemocoel, which is the primary body cavity filled with hemolymph.

在节肢动物中，血液在血腔内自由循环，这是充满血淋巴的主要体腔。

6.The hemocoel is crucial for the respiratory system of some mollusks, where gas exchange occurs directly in the blood.

血腔对某些软体动物的呼吸系统至关重要，气体交换直接发生在血液中。

7.The hemocoel serves as a space for nutrient distribution in many invertebrates.

血腔在许多无脊椎动物中作为营养分配的空间。

作文

The study of biological systems often leads us into fascinating realms of anatomy and physiology. One such concept that intrigues many is the term hemocoel, which refers to the primary body cavity found in certain invertebrates, particularly within the phylum Arthropoda and some mollusks. The hemocoel serves as a crucial component of the circulatory system in these organisms, functioning as a space where blood, or hemolymph, flows freely. This unique structure contrasts sharply with the closed circulatory systems seen in vertebrates, where blood is contained within vessels.To better understand the significance of the hemocoel, we must first explore its role in the overall biology of invertebrates. In species like insects, spiders, and crustaceans, the hemocoel acts as a reservoir for hemolymph, which is the equivalent of blood in these creatures. Hemolymph not only transports nutrients and waste products but also plays a pivotal role in immune responses and hydraulic functions, aiding in movement and structural support.The anatomy of the hemocoel is quite interesting. It is typically divided into various chambers that allow for the efficient circulation of hemolymph throughout the organism's body. These chambers are lined with tissues that can facilitate gas exchange, although this process is often supplemented by other structures such as gills or tracheae. The open nature of the hemocoel allows for a more straightforward movement of fluids, which is particularly advantageous for smaller organisms that require rapid nutrient distribution and waste removal.In addition to its physiological roles, the hemocoel has evolutionary implications as well. The presence of a hemocoel suggests an adaptation to life in diverse environments, enabling invertebrates to thrive in conditions ranging from terrestrial to aquatic habitats. For instance, the ability to efficiently circulate hemolymph can be critical in environments where oxygen levels fluctuate, allowing these organisms to maintain homeostasis.Moreover, studying the hemocoel can provide insights into the evolutionary transitions between open and closed circulatory systems. By examining the variations in hemocoel structure and function across different species, scientists can infer the evolutionary pressures that shaped these systems over millions of years. This research not only enhances our understanding of invertebrate biology but also sheds light on the evolutionary history of all animal life.In conclusion, the hemocoel is more than just a structural feature; it is a vital component that underpins the physiology and evolution of many invertebrates. Its role in circulation, immune response, and adaptability showcases the complexity of life forms that exist beyond the vertebrate realm. As we continue to explore the intricacies of biological systems, the hemocoel will undoubtedly remain a topic of interest for biologists and ecologists alike, serving as a reminder of the diverse strategies life employs to survive and thrive in an ever-changing world.

生物系统的研究常常将我们引入解剖学和生理学的迷人领域。其中一个引人入胜的概念是“hemocoel”这个术语，它指的是某些无脊椎动物体内的主要体腔，特别是在节肢动物门和一些软体动物中。“hemocoel”作为这些生物循环系统的重要组成部分，充当了血液或血淋巴自由流动的空间。这一独特结构与脊椎动物所见的封闭循环系统形成鲜明对比，后者的血液被限制在血管内。为了更好地理解“hemocoel”的重要性，我们首先必须探讨其在无脊椎动物整体生物学中的作用。在昆虫、蜘蛛和甲壳类等物种中，“hemocoel”充当了血淋巴的储存库，血淋巴是这些生物血液的等价物。血淋巴不仅运输营养物质和废物，还在免疫反应和液压功能中发挥关键作用，帮助运动和结构支撑。“hemocoel”的解剖结构相当有趣。它通常被划分为多个腔室，以便有效地循环血淋巴到生物体的各个部位。这些腔室的内壁有组织，可以促进气体交换，尽管这一过程通常通过鳃或气管等其他结构加以补充。“hemocoel”的开放性质使液体的流动更加简单，这对需要快速营养分配和废物去除的小型生物尤其有利。除了生理学角色外，“hemocoel”还具有进化意义。hemocoel的存在表明了一种对多样环境的适应，使无脊椎动物能够在从陆地到水域的各种栖息地中生存。例如，有效循环血淋巴的能力在氧气水平波动的环境中至关重要，使这些生物能够维持内稳态。此外，研究“hemocoel”可以为开放和封闭循环系统之间的进化过渡提供见解。通过检查不同物种中“hemocoel”结构和功能的变异，科学家可以推断出塑造这些系统的进化压力。这项研究不仅增强了我们对无脊椎动物生物学的理解，也揭示了所有动物生命的进化历史。总之，“hemocoel”不仅仅是一个结构特征；它是许多无脊椎动物生理学和进化的关键组成部分。它在循环、免疫反应和适应性方面的作用展示了超越脊椎动物领域的生命形式的复杂性。随着我们继续探索生物系统的复杂性，“hemocoel”无疑将成为生物学家和生态学家关注的话题，提醒我们生命在不断变化的世界中生存和繁荣的多样策略。