callus

简明释义

英[ˈkæləs]美[ˈkæləs]

n. [皮肤]胼胝；愈合组织；老茧

vt. 使生老茧；使变硬；使结痂

vi. 变硬；结痂；生老茧

n. （Callus）人名；（法）卡吕；（意）卡卢斯

复 数 c a l l u s e s

第 三 人 称 单 数 c a l l u s e s

现 在 分 词 c a l l u s i n g

过 去 式 c a l l u s e d

过 去 分 词 c a l l u s e d

英英释义

单词用法

同义词

反义词

例句

1.Objective To increase the expression level of HBsAg in ginseng callus cells.

目的提高乙型肝炎病毒表面抗原在人参愈伤组织细胞中的表达。

2.But comprehensive genetic variation occurred in citrus callus.

但是，柑橘愈伤组织存在广泛的遗传变异。

3.We have tried treatment, but the position of the callus revealed by the scan needed surgery.

我们尝试过药物治疗，但扫描显示，老茧的位置需要进行手术。

4.Studies on factors influencing callus induction in anther culture of asparagus officinalis l.

石刁柏花药培养愈伤组织诱导影响因素的研究。

5.The loose callus was in favour of buds differentiation.

呈疏松状的愈伤组织对芽的分化有利。

6.With the times of NaCl stress growing the survival rate of callus was increased.

随着胁迫次数的增加，愈伤组织的存活率增加。

7.The results also indicated that the callus growth and regeneration were controlled by different gene.

研究结果还表明愈伤组织增殖力和再生力由不同的基因控制。

8.Callus induction and redifferentiation of black chokeberry leaf in vitro were studied.

研究了黑苦莓叶片愈伤组织的诱导和再分化。

9.After weeks of playing guitar, I developed a thick callus on my fingertips.

经过几周的吉他演奏，我的指尖上长了厚厚的茧。

10.The callus on her foot was painful, so she decided to see a podiatrist.

她脚上的茧很疼，所以她决定去看足病医生。

11.He used a pumice stone to remove the callus from his heel.

他用浮石去除脚跟上的茧。

12.The gardener's hands were rough due to the calluses formed by years of work.

由于多年的工作，园丁的手变得粗糙，长了很多茧。

13.Wearing ill-fitting shoes can lead to painful calluses on your toes.

穿不合脚的鞋子可能会导致脚趾上长出痛苦的茧。

作文

In the realm of human biology, the term callus refers to a thickened and hardened area of skin that develops in response to repeated friction, pressure, or irritation. This phenomenon is quite common among individuals who engage in manual labor or participate in sports. For instance, a guitarist may develop a callus on their fingertips due to the constant pressing of strings, while a weightlifter might notice calluses forming on their palms from gripping heavy weights. The formation of a callus is the body's natural defense mechanism to protect underlying tissues from damage and to enhance grip and durability. Understanding the biological purpose of a callus can be fascinating. When the skin is subjected to frequent stress, the outer layer, known as the epidermis, responds by producing more cells, which leads to a thicker layer of skin. This process is not only protective but also adaptive, allowing individuals to perform tasks more effectively without suffering injury. However, while calluses serve an important function, they can sometimes become problematic. If they grow too thick or are not properly managed, they can cause discomfort or even pain. In addition to the physical implications of a callus, there are also aesthetic considerations. Many people strive for smooth and soft skin, particularly on their hands and feet. The presence of calluses can be viewed as unsightly, leading individuals to seek various remedies to reduce their appearance. Exfoliation, moisturizing, and using protective gear are common methods employed to manage calluses. For example, athletes often wear gloves to minimize the formation of calluses while still being able to perform their activities effectively. Interestingly, calluses can also be found in other contexts beyond skin. In botany, the term callus describes a mass of tissue that forms at the site of a wound in plants. This tissue is crucial for healing and regeneration, similar to how calluses protect and heal human skin. Whether in humans or plants, the concept of a callus signifies resilience and adaptation in the face of challenges. In conclusion, the word callus encompasses more than just a physical manifestation on the skin; it represents the body's remarkable ability to adapt and protect itself. While calluses can sometimes be a nuisance, they are fundamentally a sign of strength and endurance. Whether you're a musician, an athlete, or simply someone navigating daily life, understanding the role of calluses can foster a greater appreciation for the body's capacity to heal and adapt. By embracing these natural protections, we can better appreciate the intricate ways our bodies respond to the demands placed upon them. It is a reminder that even in our most challenging moments, we have the ability to grow stronger and more resilient, just like the formation of a callus on our skin.

在人体生物学领域，术语callus指的是由于反复摩擦、压力或刺激而形成的皮肤厚实和硬化的区域。这种现象在从事体力劳动或参加运动的人群中非常常见。例如，吉他手可能会因为不断按压琴弦而在指尖上形成callus，而举重者可能会因为握住重物而注意到手掌上出现了calluses。Callus的形成是身体的自然防御机制，旨在保护下方组织免受损伤，并增强抓握和耐用性。 理解callus的生物学目的非常迷人。当皮肤受到频繁的压力时，外层皮肤（即表皮）会通过产生更多细胞来作出反应，从而导致皮肤层变厚。这个过程不仅具有保护作用，而且具有适应性，使个体能够更有效地执行任务而不受伤害。然而，虽然calluses具有重要功能，但有时也会引发问题。如果它们生长得过厚或没有得到妥善管理，就可能导致不适甚至疼痛。 除了身体上的影响，callus还有美学方面的考虑。许多人追求光滑柔软的皮肤，特别是在手和脚上。Calluses的存在可能被视为不美观，这使得个体寻求各种补救措施来减少其外观。去角质、保湿以及使用保护装备是常见的管理calluses的方法。例如，运动员通常会戴手套，以在仍能有效进行活动的同时尽量减少calluses的形成。 有趣的是，calluses也可以在其他背景中找到，超越皮肤。在植物学中，术语callus描述的是在植物受伤部位形成的一团组织。这种组织对于愈合和再生至关重要，类似于calluses保护和愈合人类皮肤的方式。无论是在人体还是植物中，callus的概念都象征着在面对挑战时的韧性和适应性。 总之，单词callus所涵盖的内容不仅仅是皮肤上的一种物理表现；它代表了身体适应和保护自身的非凡能力。虽然calluses有时可能是一种烦恼，但它们从根本上是力量和耐力的象征。无论你是音乐家、运动员，还是仅仅是在日常生活中摸索的人，理解calluses的角色可以加深我们对身体应对施加于其身上的需求的能力的欣赏。这提醒我们，即使在最具挑战性的时刻，我们也有能力变得更强大和更有韧性，就像我们皮肤上形成的callus一样。