miosis

简明释义

英[maɪˈəʊsɪs]美[maɪˈoʊsɪs]

n. （生殖细胞的）成熟分裂；减数分裂；[医] 瞳孔缩小

复 数 m i o s e s

英英释义

单词用法

同义词

反义词

例句

1.Certain medications can cause miosis, leading to difficulties in seeing in low light conditions.

某些药物可能导致瞳孔缩小，使在低光条件下看东西变得困难。

2.The presence of miosis can indicate exposure to certain toxins or drugs.

出现瞳孔缩小可能表明接触了某些毒素或药物。

3.In cases of opiate overdose, miosis is often one of the key symptoms observed.

在阿片类药物过量的情况下，瞳孔缩小通常是观察到的主要症状之一。

4.The neurologist explained that miosis can be a sign of neurological disorders.

神经科医生解释说，瞳孔缩小可能是神经系统疾病的迹象。

5.During the eye examination, the doctor noted that the patient exhibited miosis, which is a condition characterized by constricted pupils.

在眼科检查中，医生注意到患者表现出瞳孔缩小，这是一种以瞳孔收缩为特征的情况。

作文

The human body is an intricate system, where various physiological processes work together to maintain balance and function. One such process is the regulation of the pupil size in our eyes, which can be influenced by several factors including light intensity and emotional states. A fascinating aspect of this regulation is a condition known as miosis, which refers to the constriction of the pupils. Understanding miosis is crucial for both medical professionals and the general public, as it can indicate underlying health issues or reactions to certain stimuli.When light enters the eye, it is focused onto the retina, allowing us to see. The pupil, the black circular opening in the center of the iris, plays a vital role in controlling the amount of light that reaches the retina. In bright conditions, the pupils constrict through a process called miosis, reducing the light entering the eye to protect the sensitive retina from damage. Conversely, in dim lighting, the pupils dilate, allowing more light to enter. This dynamic adjustment is essential for optimal vision in varying light conditions.However, miosis can also occur due to other factors beyond mere light exposure. For instance, certain medications, particularly opioids, can cause the pupils to constrict significantly. This effect is often used as a clinical indicator of opioid use or overdose. Additionally, some neurological conditions may lead to abnormal miosis, signaling potential issues with the nervous system. Therefore, recognizing the signs of miosis and understanding its implications can be vital in medical diagnostics.Moreover, emotional responses can also trigger miosis. When a person experiences fear or excitement, the body releases adrenaline, which can cause the pupils to constrict as part of the fight-or-flight response. This physiological reaction is not only a fascinating interplay between our emotions and bodily functions but also serves as a non-verbal cue in social interactions. Observing someone’s pupils can provide insight into their emotional state, making miosis a subtle yet powerful form of communication.In the field of ophthalmology, understanding miosis is essential for diagnosing various eye conditions. Certain diseases, such as Horner's syndrome, can cause abnormal pupil size and reactivity. By examining the pupils' responsiveness to light and their size, doctors can gather critical information about a patient's health. Thus, miosis serves as a window into our overall well-being, reflecting not just ocular health but also systemic conditions.In conclusion, miosis is more than just a simple reaction of the pupils; it is a complex physiological response that can reveal much about our health and emotional state. From its role in protecting the retina to its implications in medical diagnostics and emotional communication, miosis is a key concept worth understanding. As we continue to explore the intricacies of the human body, recognizing the significance of miosis can enhance our appreciation for the delicate balance that sustains our vision and overall health.

人体是一个复杂的系统，各种生理过程共同作用以维持平衡和功能。其中一个过程是我们眼睛中瞳孔大小的调节，这可以受到多种因素的影响，包括光强度和情绪状态。这个调节的一个迷人方面是一个被称为瞳孔缩小的情况，它指的是瞳孔的收缩。理解瞳孔缩小对于医疗专业人员和公众来说都至关重要，因为它可以指示潜在的健康问题或对某些刺激的反应。当光线进入眼睛时，它聚焦在视网膜上，使我们能够看见。瞳孔是虹膜中央的黑色圆形开口，在控制到达视网膜的光量方面发挥着重要作用。在明亮的条件下，瞳孔通过一种称为瞳孔缩小的过程收缩，减少进入眼睛的光线，以保护敏感的视网膜免受损害。相反，在昏暗的光线下，瞳孔扩张，允许更多的光线进入。这种动态调整对于在不同光照条件下的最佳视力至关重要。然而，瞳孔缩小也可能由于其他因素而发生，超出单纯的光照暴露。例如，某些药物，特别是阿片类药物，可能会导致瞳孔显著收缩。这种效应通常被用作阿片类药物使用或过量的临床指示。此外，一些神经系统疾病可能导致异常的瞳孔缩小，暗示神经系统可能存在问题。因此，识别瞳孔缩小的迹象并理解其含义对于医学诊断非常重要。此外，情绪反应也可以触发瞳孔缩小。当一个人经历恐惧或兴奋时，身体释放肾上腺素，这可能导致瞳孔收缩，作为战斗或逃跑反应的一部分。这种生理反应不仅是我们情感与身体功能之间迷人的相互作用，也是社交互动中的一种非语言提示。观察某人的瞳孔可以提供对其情感状态的洞察，使瞳孔缩小成为一种微妙而强大的交流形式。在眼科领域，理解瞳孔缩小对于诊断各种眼部疾病至关重要。某些疾病，如霍纳综合症，可能导致瞳孔大小和反应性的异常。通过检查瞳孔对光的反应及其大小，医生可以收集关于患者健康的关键信息。因此，瞳孔缩小作为我们整体健康的窗口，不仅反映了眼睛的健康状况，还反映了全身状况。总之，瞳孔缩小不仅仅是瞳孔的简单反应；它是一个复杂的生理反应，可以揭示我们健康和情感状态的许多信息。从保护视网膜的作用到在医学诊断和情感交流中的意义，瞳孔缩小是一个值得理解的关键概念。随着我们继续探索人体的复杂性，认识到瞳孔缩小的重要性可以增强我们对维持我们视力和整体健康的微妙平衡的欣赏。