keratinize

简明释义

英[kɪˈrætɪˌnaɪz;ˈkerətənaɪz]美[ˈkerətəˌnaɪz]

v. （使）角质化，角质化

第 三 人 称 单 数 k e r a t i n i z e s

现 在 分 词 k e r a t i n i z i n g

过 去 式 k e r a t i n i z e d

过 去 分 词 k e r a t i n i z e d

英英释义

单词用法

同义词

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例句

1.The process of cells keratinizing is essential for the formation of hair and nails.

细胞角化的过程对于头发和指甲的形成至关重要。

2.Certain dermatological treatments aim to reduce the rate at which skin cells keratinize.

某些皮肤病治疗旨在降低皮肤细胞角化的速度。

3.The skin cells begin to keratinize, forming a protective barrier against environmental damage.

皮肤细胞开始角化，形成对抗环境损伤的保护屏障。

4.In certain conditions, the body may keratinize areas of the skin excessively, leading to rough patches.

在某些情况下，身体可能会过度角化皮肤的某些区域，导致粗糙的斑块。

5.As the wound heals, the new tissue will keratinize to restore the skin's integrity.

当伤口愈合时，新组织将会角化以恢复皮肤的完整性。

作文

The human body is an intricate system composed of various tissues and cells, each serving a unique purpose. One of the most fascinating processes that occur within our bodies is the ability of certain cells to keratinize (角化), which transforms them into a tough, protective layer. This process is particularly evident in our skin, hair, and nails, where keratin, a fibrous protein, plays a crucial role in maintaining our physical integrity against environmental stressors.When we think about the skin, it is important to understand that it serves as the first line of defense against pathogens, UV radiation, and other harmful elements. The outermost layer of the skin, known as the epidermis, is primarily made up of keratinocytes. These cells undergo a remarkable transformation as they migrate from the deeper layers of the epidermis to the surface. During this journey, they keratinize (角化), gradually losing their nuclei and cytoplasmic contents while accumulating keratin. This results in a tough, resilient barrier that helps prevent water loss and protects against mechanical injury.Keratinization is not limited to the skin; it is also a vital process in the formation of hair and nails. Hair follicles produce strands of hair that are composed of tightly packed keratinized cells. The keratinize (角化) process ensures that hair remains strong and flexible, allowing it to withstand daily wear and tear. Similarly, nails grow from the nail matrix, where cells continuously divide and keratinize (角化), resulting in the hard, protective covering we see on our fingertips.Interestingly, the rate of keratinization can be influenced by various factors, including age, nutrition, and environmental conditions. For instance, as we age, the rate of cell turnover decreases, leading to a thinner epidermis and potentially more fragile skin. On the other hand, adequate hydration and a balanced diet rich in vitamins and minerals can promote healthy keratinization, enhancing the overall appearance and resilience of our skin, hair, and nails.Moreover, certain skin conditions can disrupt the normal keratinization process. For example, psoriasis is characterized by an accelerated rate of cell division and abnormal keratinization, resulting in thick, scaly patches on the skin. Understanding the mechanisms behind keratinization can help dermatologists develop effective treatments for such conditions, aiming to restore the balance of skin renewal and health.In conclusion, the process of keratinize (角化) is essential for maintaining the integrity of our skin, hair, and nails. It is a complex and dynamic process that not only provides protection but also contributes to our overall appearance. By appreciating the significance of keratinization, we can better understand the importance of skincare and the factors that influence our body's natural defenses. Whether through proper hydration, nutrition, or medical intervention, supporting healthy keratinization is crucial for preserving our body's first line of defense against the external world.