aqueous humour
简明释义
水状液
英英释义
例句
1.During cataract surgery, the surgeon must carefully manage the aqueous humour to prevent complications.
在白内障手术中,外科医生必须小心管理房水以防止并发症。
2.The aqueous humour provides nutrients to the avascular structures of the eye.
房水为眼睛的无血管结构提供营养。
3.An increase in pressure within the aqueous humour can lead to glaucoma.
房水内压力的增加可能导致青光眼。
4.The eye's lens is suspended in the aqueous humour, which helps maintain its shape.
眼睛的晶状体悬浮在房水中,这有助于维持其形状。
5.A sample of aqueous humour can be analyzed to diagnose certain eye diseases.
可以分析一份房水样本以诊断某些眼病。
作文
The human eye is a complex organ that relies on various components to function properly. One of the essential elements of the eye is the aqueous humour, which plays a crucial role in maintaining intraocular pressure and providing nutrients to the avascular structures of the eye, such as the lens and cornea. The aqueous humour is a clear fluid that fills the space between the cornea and the lens, known as the anterior chamber. It is produced by the ciliary body, a structure located behind the iris, and is continuously drained through the trabecular meshwork into the bloodstream.Understanding the significance of aqueous humour is vital for comprehending various ocular diseases. For instance, glaucoma is a condition characterized by increased intraocular pressure, which can lead to damage of the optic nerve and vision loss. This increase in pressure often results from an imbalance between the production and drainage of aqueous humour. When the fluid is overproduced or not adequately drained, it accumulates, leading to elevated pressure within the eye.In addition to its role in pressure regulation, the aqueous humour also serves as a medium for transporting essential nutrients and removing metabolic waste from the eye's interior. Unlike other tissues in the eye, like the lens and cornea, which do not have their own blood supply, the aqueous humour ensures that these structures receive the necessary substances to maintain their health and functionality. For example, glucose, amino acids, and electrolytes are all transported via the aqueous humour to sustain the metabolic needs of the lens and cornea.Moreover, the aqueous humour helps maintain the shape of the eye. The pressure created by this fluid is crucial for keeping the eyeball inflated and ensuring that light is properly focused onto the retina. Any disruption in the production or drainage of aqueous humour can lead to structural changes in the eye, affecting vision quality.Research into the aqueous humour has expanded significantly in recent years, especially concerning its potential implications in ocular therapeutics. Scientists are exploring ways to manipulate the dynamics of aqueous humour to develop treatments for conditions like glaucoma and cataracts. By understanding how to regulate the flow and composition of this fluid, new therapeutic strategies could emerge, offering hope to those suffering from debilitating eye conditions.In conclusion, the aqueous humour is much more than just a simple fluid; it is a vital component of the eye that contributes to its overall health and functionality. From maintaining intraocular pressure to providing necessary nutrients, the aqueous humour plays a multifaceted role in ocular physiology. As research continues to unveil the complexities of this fluid, we may find innovative ways to address various eye diseases, ultimately improving the quality of life for many individuals around the world.
人眼是一个复杂的器官,依赖于各种组成部分才能正常运作。其中一个重要的元素是房水,它在维持眼内压和为无血管结构(如晶状体和角膜)提供养分方面发挥着关键作用。房水是一种清澈的液体,填充在角膜和晶状体之间的空间,称为前房。它由位于虹膜后面的睫状体产生,并通过小梁网不断排入血液中。理解房水的重要性对于理解各种眼科疾病至关重要。例如,青光眼是一种以眼内压升高为特征的疾病,可能导致视神经损伤和视力丧失。这种压力的增加通常是由于房水的产生与排出之间的不平衡。当液体过度产生或排出不足时,它会积聚,从而导致眼内压升高。除了在压力调节中的作用外,房水还作为运输必要养分和去除眼内代谢废物的介质。与眼睛中的其他组织(如晶状体和角膜)不同,这些组织没有自己的血液供应,而房水确保这些结构获得维持其健康和功能所需的物质。例如,葡萄糖、氨基酸和电解质都通过房水运输,以维持晶状体和角膜的代谢需求。此外,房水有助于维持眼睛的形状。该液体产生的压力对于保持眼球的膨胀状态至关重要,确保光线能够正确聚焦到视网膜上。任何在房水的产生或排出中的干扰都可能导致眼睛的结构变化,影响视力质量。近年来,关于房水的研究显著增加,尤其是其在眼科治疗中的潜在影响。科学家们正在探索操控房水动力学的方法,以开发青光眼和白内障等疾病的治疗方案。通过理解如何调节这种液体的流动和成分,新的治疗策略可能会出现,为那些遭受严重眼疾的人们带来希望。总之,房水不仅仅是一种简单的液体;它是眼睛的重要组成部分,对眼睛的整体健康和功能至关重要。从维持眼内压到提供必要的养分,房水在眼生理中发挥着多方面的作用。随着研究继续揭示这种液体的复杂性,我们可能会找到创新的方法来解决各种眼病,最终改善世界上许多人的生活质量。
相关单词