astragal

简明释义

英[ˈæstrəɡ(ə)l]美[ˈæstrəɡl]

n. 距骨；串珠饰；圈线

英英释义

单词用法

同义词

反义词

例句

1.Objective: The technology of Astragal us Injection was selected through experiment study.

目的：通过实验研究优选黄芪注射液的制备工艺。

2.Objective: To sum up the characteristics of X-ray and clinic for astragal putrescence.

前言：目的总结距骨缺血坏死的临床X线特点，提高对本病的诊断水平。

3.Objective: The technology of Astragal us Injection was selected through experiment study.

目的：通过实验研究优选黄芪注射液的制备工艺。

4.In classical architecture, the astragal （装饰条） is often found at the top of columns.

在古典建筑中，astragal （装饰条） 通常位于柱子的顶部。

5.The architect decided to use an ornate astragal （门框的装饰条） to enhance the entrance of the building.

建筑师决定使用一个华丽的astragal （门框的装饰条） 来增强建筑的入口。

6.The restoration team carefully replaced the damaged astragal （装饰条） on the historic door.

修复团队小心翼翼地更换了历史悠久的门上的损坏astragal （装饰条）。

7.He installed a new astragal （门框的装饰条） to improve the aesthetic appeal of his home.

他安装了一个新的astragal （门框的装饰条） 来提高他家的美观性。

8.The astragal （装饰条） can be made from various materials, including wood and metal.

这个astragal （装饰条） 可以由多种材料制成，包括木材和金属。

作文

The term astragal refers to a specific anatomical structure found in various animals, particularly in the context of their skeletal systems. In humans and many mammals, the astragal is commonly known as the talus bone, which plays a crucial role in the ankle joint. Understanding the function and significance of the astragal can provide insights into both evolutionary biology and functional anatomy. The astragal connects the leg to the foot, allowing for mobility and weight-bearing activities. It supports the tibia and fibula above it and articulates with the calcaneus below, forming a vital part of the hindfoot. This bone is unique because it is one of the few bones in the body that does not have any muscular attachments, relying instead on surrounding ligaments for stability. From an evolutionary perspective, the astragal has undergone significant changes across different species. For instance, in quadrupedal animals, the shape and orientation of the astragal are adapted to support different modes of locomotion, such as running or climbing. In contrast, bipedal organisms like humans have a more specialized astragal that allows for efficient upright walking. The adaptations in the astragal illustrate how evolutionary pressures shape anatomical features to meet the demands of an organism's environment. In addition to its anatomical importance, the astragal has clinical relevance in medicine. Injuries to the astragal, such as fractures or dislocations, can lead to significant mobility issues. Athletes, in particular, may be at risk of such injuries due to the high-impact nature of their sports. Understanding the mechanics of the astragal can aid healthcare professionals in developing effective treatment plans for patients suffering from related injuries. Furthermore, the astragal is also studied in the field of paleontology. Fossils of the astragal can provide valuable information about the locomotion and lifestyle of extinct species. By examining the morphology of the astragal in ancient animals, researchers can infer whether these creatures were adapted for running, climbing, or other forms of movement. In conclusion, the astragal is more than just a bone in the body; it is a key player in understanding the evolution of species, the mechanics of movement, and the treatment of injuries. Its unique characteristics and functions make it a fascinating subject of study in both biology and medicine. As we continue to explore the intricacies of the astragal, we gain deeper insights into the complexities of life itself, revealing how even the smallest structures can have profound impacts on an organism's overall functionality and adaptability.

术语astragal指的是在各种动物中发现的特定解剖结构，特别是在它们的骨骼系统中。在人类和许多哺乳动物中，astragal通常被称为距骨，它在踝关节中发挥着至关重要的作用。理解astragal的功能和重要性可以为进化生物学和功能解剖学提供见解。astragal将腿部与脚部连接起来，允许移动和承重活动。它支撑着上面的胫骨和腓骨，并与下面的跟骨关节相连，形成后足的重要部分。这块骨头是独特的，因为它是身体中少数没有任何肌肉附着的骨骼之一，而是依赖周围的韧带来保持稳定。从进化的角度来看，astragal在不同物种之间经历了显著变化。例如，在四足动物中，astragal的形状和方向适应了不同的运动方式，如奔跑或攀爬。相比之下，像人类这样的双足生物具有更专业化的astragal，可以有效地进行直立行走。astragal的适应性说明了进化压力如何塑造解剖特征，以满足生物体环境的需求。除了其解剖学的重要性，astragal在医学上也具有临床相关性。astragal的损伤，例如骨折或脱位，可能导致显著的活动问题。运动员尤其可能面临这种伤害的风险，因为他们的运动性质具有高冲击性。理解astragal的力学可以帮助医疗专业人员为遭受相关伤害的患者制定有效的治疗计划。此外，astragal在古生物学领域也受到研究。astragal的化石可以提供关于灭绝物种的运动和生活方式的宝贵信息。通过检查古代动物的astragal的形态，研究人员可以推断这些生物是否适应于奔跑、攀爬或其他形式的运动。总之，astragal不仅仅是身体中的一块骨头；它是理解物种进化、运动机制和伤害治疗的关键角色。它独特的特征和功能使其成为生物学和医学研究的迷人课题。随着我们继续探索astragal的复杂性，我们获得了对生命本身复杂性的更深刻见解，揭示了即使是最小的结构也可以对生物体的整体功能性和适应性产生深远影响。