ommatidium

简明释义

英[ˌɒməˈtɪdiəm]美[ˌɑməˈtɪdɪəm]

n. [昆] 小眼

复 数 o m m a t i d i a

英英释义

单词用法

同义词

反义词

例句

1.In this paper, firstly, the three-dimensional function of the compound eye's ommatidium can be got through the analysis of artificial optical compound eye by optical theory.

本文首先通过对仿生光学复眼进行光学理论分析，得到了仿生光学复眼小眼的三维空间函数关系式。

2.In this paper, firstly, the three-dimensional function of the compound eye's ommatidium can be got through the analysis of artificial optical compound eye by optical theory.

本文首先通过对仿生光学复眼进行光学理论分析，得到了仿生光学复眼小眼的三维空间函数关系式。

3.The compound eye of an insect is made up of thousands of tiny units called ommatidium (复眼小眼).

昆虫的复眼由成千上万的微小单元组成，称为ommatidium（复眼小眼）。

4.Each ommatidium (复眼小眼) contributes to the overall image perceived by the insect.

每个ommatidium（复眼小眼）都对昆虫感知的整体图像有贡献。

5.Research on ommatidium (复眼小眼) structure helps scientists understand how insects see their environment.

对ommatidium（复眼小眼）结构的研究帮助科学家理解昆虫如何看待它们的环境。

6.The arrangement of ommatidium (复眼小眼) in a fly's eye allows for a wide field of vision.

苍蝇眼睛中ommatidium（复眼小眼）的排列允许其拥有广阔的视野。

7.Different species of insects have varying numbers of ommatidium (复眼小眼), affecting their visual acuity.

不同物种的昆虫拥有不同数量的ommatidium（复眼小眼），这影响了它们的视觉敏锐度。

作文

The world of insects is fascinating, especially when we delve into the intricate structures that enable them to interact with their environment. One of the most remarkable features of many insects is their compound eyes, which consist of thousands of tiny visual units known as ommatidia. Each ommatidium functions as an individual photoreceptive unit, allowing insects to have a wide field of vision and detect motion more effectively than humans can with our simple eyes. This unique adaptation is crucial for their survival, aiding in predator avoidance and navigation in complex environments. An ommatidium typically comprises a lens, a crystalline cone, and a cluster of photoreceptor cells. The lens focuses light onto the photoreceptor cells, which then convert the light into electrical signals that are sent to the insect's brain. Interestingly, each ommatidium captures a small part of the visual field, and together they create a mosaic image that provides the insect with a comprehensive view of its surroundings. The number of ommatidia in an insect's eye can vary significantly depending on the species. For instance, dragonflies possess up to 30,000 ommatidia in each eye, granting them exceptional visual acuity and the ability to track fast-moving prey. In contrast, some other insects may have only a few hundred ommatidia, resulting in a more limited field of vision. This variation illustrates how evolutionary pressures shape the sensory capabilities of different species. Moreover, the arrangement of ommatidia can also differ among species. In many insects, ommatidia are arranged in a hexagonal pattern, optimizing the structure for light capture and minimizing gaps in vision. This geometric arrangement enhances their ability to perceive motion and changes in light, which are vital for their survival in the wild. Understanding the function of ommatidia not only sheds light on the biology of insects but also inspires advancements in technology. Researchers and engineers study the design of compound eyes to develop better cameras and sensors that mimic this natural system. By learning from nature, we can create devices that improve image resolution and enhance motion detection capabilities, which could have applications in robotics, surveillance, and even autonomous vehicles. In conclusion, the ommatidium is a fundamental building block of the compound eyes of insects, playing a critical role in their ability to perceive the world around them. The complexity and efficiency of these tiny visual units highlight the wonders of evolution and the diverse adaptations found in nature. As we continue to explore the intricacies of insect vision, we gain valuable insights that can influence various fields, from biology to engineering. The study of ommatidia is not just about understanding insects; it is about appreciating the interconnectedness of life and the lessons we can learn from the natural world.

昆虫的世界令人着迷，尤其是当我们深入研究使它们能够与环境互动的复杂结构时。许多昆虫最显著的特征之一就是它们的复眼，这些复眼由数千个微小的视觉单元组成，称为ommatidia。每个ommatidium作为一个独立的光感受单元，使昆虫能够拥有广阔的视野，并比人类更有效地检测运动。这种独特的适应性对它们的生存至关重要，有助于避免捕食者和在复杂环境中导航。 一个ommatidium通常由一个透镜、一个晶体锥和一组光感受细胞组成。透镜将光线聚焦到光感受细胞上，这些细胞将光转化为电信号，然后发送到昆虫的大脑。有趣的是，每个ommatidium捕捉视觉场的一小部分，而它们共同创造出一幅马赛克图像，为昆虫提供了周围环境的全面视图。 昆虫眼睛中的ommatidia数量因物种而异。例如，蜻蜓每只眼睛可以拥有多达30,000个ommatidia，赋予它们卓越的视觉敏锐度和追踪快速移动猎物的能力。相比之下，其他一些昆虫可能只有几百个ommatidia，导致其视野更加有限。这种差异说明了进化压力如何塑造不同物种的感官能力。 此外，ommatidia的排列在不同物种之间也可能有所不同。在许多昆虫中，ommatidia以六角形模式排列，优化了光捕获结构并最小化视觉中的间隙。这种几何排列增强了它们感知运动和光变化的能力，这对于它们在野外的生存至关重要。 理解ommatidia的功能不仅揭示了昆虫的生物学，还激励了技术的进步。研究人员和工程师研究复眼的设计，以开发更好的相机和传感器，模仿这一自然系统。通过向自然学习，我们可以创造出提高图像分辨率和增强运动检测能力的设备，这可能在机器人技术、监控甚至自动驾驶汽车等领域具有应用。 总之，ommatidium是昆虫复眼的基本构建块，在它们感知周围世界的能力中发挥着关键作用。这些微小视觉单元的复杂性和效率突显了进化的奇迹以及自然界中发现的多样适应性。当我们继续探索昆虫视觉的复杂性时，我们获得了有价值的见解，这些见解可以影响从生物学到工程等各个领域。对ommatidia的研究不仅仅是为了理解昆虫；它也是为了欣赏生命的相互联系以及我们可以从自然世界中学习的课程。