foveolae

简明释义

英[ˌfoʊviˈoʊli]美[ˌfoʊviˈoʊli]

n. 小凹；孔穴（foveola 的变形）

英英释义

单词用法

同义词

反义词

例句

1.Objective To study the changes of the foveolae avascular zone in diabetic patients.

目的研究糖尿病视网膜病变患者的黄斑拱环改变。

2.Objective To study the changes of the foveolae avascular zone in diabetic patients.

目的研究糖尿病视网膜病变患者的黄斑拱环改变。

3.In histological studies, foveolae can be identified in the central region of the retina.

在组织学研究中，中央视网膜区域可以识别出凹点。

4.The retina contains numerous foveolae that are crucial for sharp vision.

视网膜包含许多凹点，它们对清晰的视力至关重要。

5.Scientists observed that damage to the foveolae can lead to vision impairment.

科学家观察到，凹点的损伤可能导致视力受损。

6.During the eye examination, the doctor checked the health of the foveolae.

在眼科检查中，医生检查了凹点的健康状况。

7.The foveolae play a significant role in color perception.

凹点在颜色感知中起着重要作用。

作文

The human body is a marvel of biological engineering, with each part playing a critical role in maintaining overall health and function. One fascinating aspect of this complexity is found in the structure of the eye, particularly in the region known as the fovea. The fovea is a small pit located in the retina, responsible for sharp central vision. Within this area, there are tiny structures called foveolae, which play an essential role in our ability to see fine details. These foveolae are specialized regions that contain a high concentration of cone photoreceptors, the cells responsible for color vision and visual acuity.Understanding the significance of foveolae requires a closer look at how they function within the eye. When light enters the eye, it is focused onto the retina, where the foveolae come into play. Unlike other areas of the retina, the foveolae are designed to provide the clearest possible image. This is achieved through a unique arrangement of photoreceptor cells, which allows for the highest density of cones in the human eye. This dense packing of cones means that when we look directly at an object, our brain receives the most detailed information possible about its color and shape.The importance of foveolae extends beyond just visual acuity. They also play a crucial role in various visual tasks, such as reading and recognizing faces. When we read, our eyes move in a series of rapid movements called saccades, pausing briefly on specific words or letters. During these pauses, the foveolae are activated, allowing us to discern the details of the text. Similarly, when recognizing faces, our eyes focus on the features that are most important for identification, such as the eyes, nose, and mouth, all of which fall within the area of the foveolae.Moreover, the health of the foveolae is vital for maintaining good vision. Conditions such as macular degeneration can severely affect these structures, leading to a loss of central vision. Understanding the anatomy and function of foveolae can help us appreciate the importance of regular eye examinations and taking care of our eye health. For instance, protecting our eyes from excessive UV exposure and managing conditions like diabetes can help preserve the integrity of the foveolae and the overall health of the retina.In conclusion, the foveolae are remarkable structures that significantly contribute to our visual experience. Their role in providing sharp and detailed vision is indispensable, especially in activities that require precision, such as reading, driving, and engaging in sports. By appreciating the function of foveolae, we can better understand the complexities of the human eye and the importance of maintaining our vision as we age. As we continue to explore the intricacies of human biology, the study of foveolae and their impact on vision will remain a vital area of research, ultimately enhancing our understanding of sight and its significance in our daily lives.

人体是生物工程的奇迹，每个部分在维持整体健康和功能中都发挥着关键作用。这个复杂性的一个迷人方面可以在眼睛的结构中找到，特别是在被称为中央凹的区域。中央凹是视网膜中一个小凹陷，负责清晰的中央视觉。在这个区域内，有一些微小的结构称为foveolae，它们在我们看清细节的能力中扮演着重要角色。这些foveolae是专门的区域，含有高浓度的锥体光感受器，这些细胞负责色彩视觉和视觉敏锐度。理解foveolae的重要性需要更仔细地观察它们在眼睛中的功能。当光线进入眼睛时，它会聚焦在视网膜上，此时foveolae发挥作用。与视网膜的其他区域不同，foveolae旨在提供尽可能清晰的图像。这是通过光感受器细胞的独特排列实现的，使得人眼中锥体的密度最高。这种锥体的密集排列意味着当我们直接看着一个物体时，我们的大脑能够接收到关于其颜色和形状的最详细的信息。foveolae的重要性不仅仅体现在视觉敏锐度上。它们还在各种视觉任务中发挥着至关重要的作用，例如阅读和面部识别。当我们阅读时，眼睛以一系列快速运动称为扫视移动，短暂停留在特定的单词或字母上。在这些停顿期间，foveolae被激活，使我们能够辨别文本的细节。同样，在识别面孔时，我们的眼睛会聚焦于识别中最重要的特征，如眼睛、鼻子和嘴巴，这些都落在foveolae的区域内。此外，foveolae的健康对维持良好的视力至关重要。像黄斑变性这样的疾病会严重影响这些结构，导致中央视力的丧失。理解foveolae的解剖学和功能可以帮助我们认识到定期眼科检查和保护眼睛健康的重要性。例如，保护我们的眼睛免受过度紫外线照射和管理糖尿病等疾病可以帮助保持foveolae的完整性以及视网膜的整体健康。总之，foveolae是显著的结构，对我们的视觉体验有重要贡献。它们在提供清晰和详细的视觉方面的作用是不可或缺的，尤其是在需要精确的活动中，如阅读、驾驶和参与体育运动。通过欣赏foveolae的功能，我们可以更好地理解人眼的复杂性以及随着年龄增长维护视力的重要性。随着我们继续探索人类生物学的复杂性，foveolae及其对视觉影响的研究将仍然是一个重要的研究领域，最终增强我们对视力及其在日常生活中重要性的理解。