foveola
简明释义
n. [生物] 小凹;孔穴
复 数 f o v e o l a e
英英释义
A small pit or depression, especially in a biological context, often referring to a small fovea in the retina of the eye. | 一个小凹坑或凹陷,尤其是在生物学背景下,通常指眼睛视网膜中的小凹点。 |
单词用法
视网膜的 foveola | |
皮肤的 foveola | |
中央 foveola | |
foveola 发展 |
同义词
凹窝 | 凹窝对清晰的中央视觉至关重要。 | ||
凹陷 | A depression in the surface can indicate a point of weakness. | 表面的凹陷可能表示一个薄弱点。 | |
凹坑 | The pit formed by erosion can affect the surrounding landscape. | 侵蚀形成的凹坑会影响周围的地形。 |
反义词
隆起 | The surface of the skin had several bumps that were concerning. | 皮肤表面有几个隆起,让人担心。 | |
突出 | 岩石上的突出部分使攀爬变得困难。 |
例句
1.It can be concluded that caryopsis ventral shape, sculpture, and foveola are very useful characteristics for the identification of species and the inference of interspecific relationships in Eleusine.
䅟属植物的颖果腹面形状、纹饰、表面小孔直径及平均密度等性状,可为种类鉴定及种间关系分析提供有价值的证据。
2.It can be concluded that caryopsis ventral shape, sculpture, and foveola are very useful characteristics for the identification of species and the inference of interspecific relationships in Eleusine.
䅟属植物的颖果腹面形状、纹饰、表面小孔直径及平均密度等性状,可为种类鉴定及种间关系分析提供有价值的证据。
3.Results There were no statistically significant differences between age groups except for the foveola, superior outer ring, inferior outer ring and total macular volume (P<0.05);
结果不同年龄组间除黄斑中心小凹、上、下方外环区、总黄斑体积外(P<0.05),其余部位差异均无显著性;
4.Methods Using OCT, we examined 12 patients with CEC. The size of CNV and the thickness of retinal neurosensory layer in foveola were measured.
方法应用oct技术对12例CEC患者进行检测,测量cnv大小及黄斑中心凹视网膜神经上皮层厚度。
5.Characteristic mucus of gastric foveola epithelium or pyloric gland.
具有胃腺窝上皮型和幽门腺型特定型粘液。
6.Photoreceptor cells in the foveola are densely packed, allowing for high-resolution vision.
foveola中的光感受器细胞密集排列,允许高分辨率的视觉。
7.In an eye examination, the doctor may check the health of the foveola to assess visual acuity.
在眼科检查中,医生可能会检查foveola的健康状况,以评估视力敏锐度。
8.The retina contains a small pit called the foveola, which is responsible for sharp central vision.
视网膜中有一个小凹陷称为foveola,负责清晰的中心视力。
9.The foveola is surrounded by the macula, which plays a crucial role in color perception.
foveola被黄斑包围,黄斑在颜色感知中起着至关重要的作用。
10.Damage to the foveola can lead to significant vision problems.
对foveola的损伤可能导致严重的视力问题。
作文
The human eye is a remarkable organ that allows us to perceive the world around us in vibrant detail. One of the most crucial parts of the eye is the retina, which contains specialized cells that convert light into electrical signals for the brain to interpret. Within the retina lies a small depression known as the foveola, which plays a vital role in our ability to see fine details and colors. The foveola is located at the center of the macula, an area responsible for high acuity vision. It is approximately 0.35 mm in diameter and is densely packed with cone photoreceptors, the cells that enable us to see in bright light and perceive color.Understanding the structure and function of the foveola helps us appreciate how our vision works. The high concentration of cones in this tiny region allows for sharp central vision, which is essential for activities such as reading, driving, and any task that requires detailed visual focus. Unlike other parts of the retina, where rod cells are more prevalent, the foveola is specifically adapted for daylight vision and color discrimination.In addition to its anatomical significance, the foveola also highlights the importance of eye health. Conditions such as macular degeneration can severely impact the foveola and lead to vision loss. This condition primarily affects older adults and is characterized by the deterioration of the macula, leading to blurred or distorted central vision. Understanding the foveola and its role in vision can motivate individuals to take better care of their eyes through regular check-ups and protective measures against UV light.Moreover, research into the foveola has provided insights into various visual disorders. Scientists study the cellular composition and functionality of the foveola to develop treatments and interventions for those affected by vision impairments. Advances in technology, such as optical coherence tomography (OCT), allow for detailed imaging of the foveola, enabling early detection of potential problems.In conclusion, the foveola is a critical component of the eye that enables us to experience the world in rich detail. Its unique structure, with a high density of cone cells, is essential for tasks requiring precise vision. As we learn more about the foveola and its functions, we can better understand the importance of maintaining eye health and the potential consequences of neglecting it. The future of vision science looks promising as researchers continue to explore the mysteries of the foveola and its implications for visual acuity and overall eye health.
人眼是一个卓越的器官,使我们能够以生动的细节感知周围的世界。眼睛中最重要的部分之一是视网膜,视网膜包含专门的细胞,将光线转化为电信号供大脑解释。在视网膜内,有一个被称为foveola的小凹陷,它在我们看清细节和颜色的能力中起着至关重要的作用。foveola位于黄斑的中心区域,黄斑负责高分辨率视觉。它的直径约为0.35毫米,密集地分布着锥体感光细胞,这些细胞使我们能够在明亮的光线下看到颜色。理解foveola的结构和功能帮助我们欣赏视觉如何运作。这个微小区域内锥体细胞的高浓度使得锐利的中央视觉成为可能,这对阅读、驾驶以及任何需要详细视觉聚焦的活动至关重要。与视网膜的其他部分不同,foveola特别适应于白天视觉和颜色辨别。除了其解剖学的重要性外,foveola还突显了眼睛健康的重要性。像黄斑变性这样的疾病会严重影响foveola并导致视力丧失。这种病症主要影响老年人,特征是黄斑的退化,导致中央视觉模糊或扭曲。理解foveola及其在视觉中的作用,可以激励人们通过定期检查和防护措施(如防止紫外线)来更好地照顾自己的眼睛。此外,对foveola的研究提供了对各种视觉障碍的见解。科学家们研究foveola的细胞组成和功能,以开发针对视觉障碍者的治疗和干预措施。技术的进步,例如光学相干断层扫描(OCT),使得能够详细成像foveola,从而实现潜在问题的早期检测。总之,foveola是眼睛的一个关键组成部分,使我们能够以丰富的细节体验世界。其独特的结构,具有高密度的锥体细胞,对于需要精确视觉的任务至关重要。随着我们对foveola及其功能的了解加深,我们可以更好地理解维护眼睛健康的重要性以及忽视它可能带来的后果。随着研究人员继续探索foveola的奥秘及其对视觉敏锐度和整体眼睛健康的影响,视觉科学的未来看起来充满希望。