postaxial

简明释义

英[/ˌpoʊstˈæk.si.əl/]美[/ˌpoʊstˈæk.si.əl/]

轴后的

英英释义

单词用法

同义词

反义词

例句

1.These are respectively known as postaxial, preaxial, and central polydactyl.

这些分别被称为轴后、轴前和中央多指。

2.These are respectively known as postaxial, preaxial, and central polydactyl.

这些分别被称为轴后、轴前和中央多指。

3.The postaxial muscles play a crucial role in limb movement.

后轴肌肉在肢体运动中起着至关重要的作用。

4.The anatomical study focused on the postaxial structures of the vertebrate limbs.

该解剖研究集中于脊椎动物肢体的后轴结构。

5.In many species, the postaxial digits are reduced or absent.

在许多物种中，后轴数字被减少或缺失。

6.The postaxial part of the limb is often less developed than the preaxial side.

肢体的后轴部分通常发育不如前轴侧。

7.Researchers noted that the postaxial region showed significant evolutionary changes.

研究人员注意到后轴区域显示出显著的进化变化。

作文

In the study of anatomy and biology, the term postaxial refers to a position or structure that is located behind the axis of a limb or body part. This term is particularly important in the context of vertebrate limb development, where understanding the orientation and arrangement of bones is crucial for comprehending evolutionary processes. For instance, in the forelimbs of tetrapods, the postaxial region is typically associated with structures like the ulna in humans, which lies on the side opposite to the thumb. This concept can also be extended to various species, demonstrating how evolutionary adaptations have influenced limb morphology over time.The significance of the postaxial positioning can be observed in comparative anatomy, where scientists examine the limbs of different animals to trace their evolutionary history. For example, in the case of birds, the postaxial digits have evolved differently compared to mammals, adapting to their unique modes of life. Understanding these differences allows researchers to make inferences about how environmental pressures shape anatomical features.Moreover, the postaxial designation is not limited to limbs alone; it can also apply to other anatomical structures. In the realm of embryology, studying the postaxial elements can reveal insights into developmental pathways and genetic regulation. For instance, mutations affecting postaxial structures may lead to congenital anomalies, providing a window into the complexities of developmental biology.In addition to its scientific implications, the term postaxial can be applied metaphorically in various fields, such as art and design. Artists often consider the postaxial aspects of their work when positioning elements within a composition. The balance between postaxial and axial elements can create a sense of movement or stability, influencing how viewers interpret the artwork.Furthermore, the concept of postaxial is relevant in the study of biomechanics, where understanding the forces acting on postaxial structures can inform the design of prosthetics and orthotics. Engineers and designers utilize knowledge of postaxial dynamics to create devices that mimic natural movements, enhancing the quality of life for individuals with mobility challenges.In conclusion, the term postaxial encompasses a broad range of applications across multiple disciplines, from biology to art and engineering. Its significance lies in the ability to describe positional relationships that have profound implications for understanding form, function, and adaptation. Whether one is studying the evolutionary history of limbs, exploring the intricacies of developmental biology, or designing innovative solutions in biomechanics, the concept of postaxial serves as a vital tool for analysis and creativity. As we continue to delve deeper into the interconnectedness of these fields, the importance of recognizing postaxial relationships will undoubtedly enhance our comprehension of both the natural world and human-made creations.

在解剖学和生物学研究中，术语postaxial指的是位于肢体或身体部位轴线后面的一个位置或结构。这个术语在脊椎动物肢体发育的背景下尤为重要，因为理解骨骼的方向和排列对于理解进化过程至关重要。例如，在四足动物的前肢中，postaxial区域通常与人类的尺骨等结构相关，它位于与拇指相对的一侧。这个概念还可以扩展到不同物种，展示了进化适应如何影响肢体形态。postaxial定位的重要性可以在比较解剖学中观察到，科学家们检查不同动物的肢体以追溯它们的进化历史。例如，在鸟类的案例中，postaxial手指与哺乳动物的演变不同，适应了它们独特的生活方式。理解这些差异使研究人员能够推断出环境压力如何塑造解剖特征。此外，postaxial的定义不仅限于肢体；它也可以应用于其他解剖结构。在胚胎学领域，研究postaxial元素可以揭示发育途径和基因调控的见解。例如，影响postaxial结构的突变可能导致先天性异常，从而提供了对发育生物学复杂性的窗口。除了科学意义之外，术语postaxial在艺术和设计等各个领域也可以隐喻性地应用。艺术家在创作作品时，常常考虑其作品的postaxial方面，以便在构图中定位元素。postaxial元素与轴线元素之间的平衡可以创造出运动或稳定感，影响观众对艺术作品的解读。此外，postaxial的概念在生物力学研究中也具有相关性，理解作用于postaxial结构的力量可以为假肢和矫形器的设计提供信息。工程师和设计师利用postaxial动力学的知识来创建模仿自然运动的设备，提高行动能力受限个体的生活质量。总之，术语postaxial涵盖了多个学科中的广泛应用，从生物学到艺术再到工程。它的重要性在于能够描述具有深远意义的空间关系，从而帮助我们理解形式、功能和适应性。无论是研究肢体的进化历史、探索发育生物学的复杂性，还是在生物力学中设计创新解决方案，postaxial的概念都是分析和创造的重要工具。随着我们继续深入探讨这些领域之间的相互联系，认识到postaxial关系的重要性无疑将增强我们对自然世界和人造作品的理解。