amphioxus
简明释义
n. 文昌鱼
复 数 a m p h i o x i 或 a m p h i o x u s e s
英英释义
单词用法
盲鳗解剖 | |
盲鳗栖息地 | |
盲鳗的研究 | |
盲鳗的物种 |
同义词
反义词
| 脊椎动物 | 脊椎动物有脊柱，与腔肠动物不同。 | ||
| 哺乳动物 | Mammals are a class of vertebrates that nourish their young with milk. | 哺乳动物是一个脊椎动物的类群，它们用乳汁喂养幼崽。 |
例句
1.Finally, the thesis also described a primary research on cryopreservation of amphioxus embryos.
本研究还对文昌鱼胚胎的冷冻保存进行了初步探索。
2.Compared with the thyroid gland of grey mullet, the endostyle of amphioxus is primitive. It is an open groove and has lots of cillia adjacent to the pharynx lumen.
与鲻鱼甲状腺相比，文昌鱼内柱的结构更为原始，仅是部分区带演变为甲状腺激素分泌细胞，而其余区带仍与摄食相关。
3.Amphioxus, a cephalochordate, is an important model for studies of evolution and comparative biology.
文昌鱼是研究进化和比较生物学的重要模式生物。
4.And the primary research on cryopreservation of amphioxus embryos was also carried out.
此外还对文昌鱼胚胎的冷冻保存进行了初步探索。
5.Compared with the thyroid gland of grey mullet, the endostyle of amphioxus is primitive. It is an open groove and has lots of cillia adjacent to the pharynx lumen.
与鲻鱼甲状腺相比，文昌鱼内柱的结构更为原始，仅是部分区带演变为甲状腺激素分泌细胞，而其余区带仍与摄食相关。
6.Phylogenetic analysis suggests the amphioxus actin genes have clearly undergone extensive expansion through tandem duplications.
进化分析的结果显示，文昌鱼的肌动蛋白基因家族可能通过串联重复而发生了扩增。
7.Amphioxus is becoming an emerging model organism for insights into the origin and evolution of vertebrates.
文昌鱼是研究脊椎动物起源与进化十分珍贵的模式动物。
8.Amphioxus has a special evolutionary status in traditional classification and is important to the study of animal evolution.
文昌鱼的传统分类地位比较特殊，在生物进化中占有重要的地位。
9.On the basis of these results Suggestions were formulated regarding amphioxus resource protection in the Xiamen sea area.
根据以上研究结果，本文提出了厦门海域文昌鱼资源的保护建议。
10.The genome of amphioxus shares many similarities with that of higher vertebrates.
海鞘的基因组与高级脊椎动物有许多相似之处。
11.The study of amphioxus has provided important insights into the evolution of vertebrates.
对海鞘的研究为脊椎动物的进化提供了重要的见解。
12.Researchers often use amphioxus as a model organism in developmental biology.
研究人员常常将海鞘作为发育生物学中的模型生物。
13.The anatomy of amphioxus is simple, making it easier to study basic biological processes.
海鞘的解剖结构简单，使得研究基本生物过程变得更加容易。
14.In marine biology classes, students learn about amphioxus and its role in the ecosystem.
在海洋生物学课程中，学生学习海鞘及其在生态系统中的作用。
作文
The study of evolution and the diversity of life forms on Earth has always fascinated scientists and researchers. Among the many organisms that provide insight into our evolutionary history, the amphioxus stands out as a particularly important specimen. The amphioxus, also known as lancelets, belongs to the subphylum Cephalochordata and is often considered a model organism for understanding the origins of vertebrates. This small, fish-like creature is found in shallow marine waters and exhibits several key features that are crucial for studying chordate evolution.One of the most significant characteristics of the amphioxus is its notochord, a flexible rod-like structure that provides support. Unlike vertebrates, which develop a backbone, the amphioxus retains its notochord throughout its life. This feature is essential for understanding the evolutionary transition from invertebrates to vertebrates. The presence of a notochord in the amphioxus suggests that it shares a common ancestor with vertebrates, making it an invaluable specimen for evolutionary biology.Furthermore, the amphioxus possesses a simple body plan that includes gill slits, a dorsal nerve cord, and a post-anal tail, all of which are key characteristics of chordates. These features allow researchers to trace the development of more complex structures in higher vertebrates. By studying the amphioxus, scientists can gain insights into how these fundamental traits evolved and adapted over millions of years.In addition to its anatomical significance, the amphioxus is also crucial for genetic research. The genome of the amphioxus has been sequenced, providing researchers with a wealth of information about gene function and regulation in early chordates. This genomic data helps scientists understand how certain genes have been conserved throughout evolution and how they contribute to the development of complex traits in vertebrates.Moreover, the amphioxus plays a vital role in ecological studies. As a filter feeder, it contributes to the health of marine ecosystems by filtering plankton and organic matter from the water. This behavior not only supports its survival but also helps maintain the balance of marine food webs. Understanding the ecological role of the amphioxus can inform conservation efforts aimed at protecting marine biodiversity.In conclusion, the amphioxus serves as a crucial link in the study of evolutionary biology, genetics, and ecology. Its unique anatomical features, simple body plan, and ecological significance make it an essential subject for researchers seeking to unravel the mysteries of evolution and the development of vertebrates. As we continue to explore the complexities of life on Earth, the amphioxus will undoubtedly remain an important focus in the scientific community, helping us to better understand our own origins and the intricate web of life that surrounds us.
对进化及地球上生命形式的多样性的研究一直吸引着科学家和研究人员。在许多提供我们进化历史见解的生物中，amphioxus（文昌鱼）作为一个特别重要的标本脱颖而出。amphioxus 属于脊索动物亚门，通常被视为理解脊椎动物起源的模型生物。这种小型鱼状生物生活在浅海水域，具有几个关键特征，对于研究脊索动物的进化至关重要。amphioxus 最显著的特征之一是其脊索，一种提供支撑的柔性杆状结构。与发展出脊柱的脊椎动物不同，amphioxus 在其一生中保持脊索。这一特征对于理解从无脊椎动物到脊椎动物的进化过渡至关重要。amphioxus 中脊索的存在表明它与脊椎动物共享一个共同的祖先，使其成为进化生物学中不可或缺的标本。此外，amphioxus 还具有简单的身体结构，包括鳃裂、背神经索和肛后尾，这些都是脊索动物的关键特征。这些特征使研究人员能够追踪更复杂的结构在高级脊椎动物中的发展。通过研究 amphioxus，科学家们可以深入了解这些基本特征是如何在数百万年中进化和适应的。除了其解剖学意义外，amphioxus 对遗传研究也至关重要。amphioxus 的基因组已经被测序，为研究人员提供了关于早期脊索动物中基因功能和调控的大量信息。这些基因组数据帮助科学家理解某些基因是如何在进化过程中被保留下来的，以及它们如何促进脊椎动物复杂特征的发展。此外，amphioxus 在生态研究中也发挥着重要作用。作为滤食者，它通过从水中过滤浮游生物和有机物质，促进海洋生态系统的健康。这种行为不仅支持其生存，还帮助维持海洋食物网的平衡。理解 amphioxus 的生态角色可以为旨在保护海洋生物多样性的保护工作提供信息。总之，amphioxus 在进化生物学、遗传学和生态学研究中起着至关重要的联系作用。它独特的解剖特征、简单的身体结构和生态重要性使其成为研究人员揭开进化和脊椎动物发展的奥秘的重要对象。随着我们继续探索地球生命的复杂性，amphioxus 无疑将继续在科学界中占据重要位置，帮助我们更好地理解自己的起源以及环绕我们的生命网络。
