prognathous

简明释义

英[prɒɡˈneɪθəs]美[ˈprɑːɡnəθəs]

adj. 下巴突出的

英英释义

单词用法

同义词

反义词

例句

1.In prognathous insects, the vertex is not found between the compound eyes.

下巴突出的昆虫的复眼之间没有顶点。

2.In prognathous insects, the vertex is not found between the compound eyes.

下巴突出的昆虫的复眼之间没有顶点。

3.The archaeologist noted that the ancient skull was remarkably prognathous, indicating a possible adaptation to a specific diet.

考古学家注意到这具古代头骨非常前突的，这可能表明其对特定饮食的适应。

4.Some species of fish exhibit prognathous jaws which help them catch prey more effectively.

一些鱼类表现出前突的下颌，这帮助它们更有效地捕捉猎物。

5.In her dental practice, she often encounters patients with prognathous jaws that require orthodontic treatment.

在她的牙科诊所，她经常遇到需要正畸治疗的患者，他们的下颌是前突的。

6.The study of prognathous features in primates can provide insights into their evolutionary history.

研究灵长类动物的前突特征可以提供它们进化历史的见解。

7.The artist's sculpture depicted a prognathous figure, emphasizing the strength and ruggedness of the character.

艺术家的雕塑描绘了一个前突的人物，强调了角色的力量和粗犷感。

作文

In the field of anthropology, the study of human physical characteristics can reveal much about our evolutionary history. One such characteristic that has garnered interest among researchers is the jaw structure of different populations. A specific term used to describe individuals with a prominent jaw structure is prognathous. This term originates from the Greek words 'pro' meaning forward and 'gnathos' meaning jaw. Therefore, a prognathous individual is one whose jaw protrudes forward more than what is typically observed in the general population.The significance of being prognathous extends beyond mere physical appearance. It can provide insights into the dietary habits and environmental adaptations of ancient human populations. For instance, anthropologists have noted that early humans who exhibited prognathous features often had diets that consisted of tougher, more fibrous foods, which required stronger jaw muscles for effective chewing. This adaptation would have been crucial for survival in environments where softer food sources were scarce.Moreover, the prognathous trait can also be observed in various animal species, particularly in carnivorous mammals. These animals often possess pronounced jaws that enable them to capture and consume prey more effectively. The study of these traits across species provides a fascinating glimpse into the evolutionary pressures that shape physical characteristics over time.Interestingly, the prevalence of prognathous features can vary significantly among different ethnic groups. Some populations exhibit a higher frequency of this trait due to genetic factors and historical dietary practices. Understanding these variations helps anthropologists piece together the complex puzzle of human evolution and migration. For example, certain indigenous groups in Africa and Oceania are known for having more prognathous jaw structures compared to populations in Europe or Asia.In contemporary society, the perception of prognathous features can differ widely. While some may view a pronounced jaw as a sign of strength and masculinity, others may associate it with negative stereotypes or aesthetic concerns. This highlights the subjective nature of beauty standards and how they can influence societal attitudes towards physical traits.Furthermore, the medical field has shown interest in prognathous characteristics, particularly in orthodontics and maxillofacial surgery. Individuals with significant prognathous features may experience dental issues or difficulties with bite alignment, prompting the need for corrective measures. Understanding the underlying anatomical structures associated with this trait allows healthcare professionals to devise effective treatment plans for those affected.In conclusion, the term prognathous encapsulates a variety of meanings and implications in both anthropology and medicine. From shedding light on our evolutionary past to influencing modern perceptions of beauty and health, the prognathous trait serves as a reminder of the intricate relationship between physical characteristics and cultural interpretations. As we continue to explore the complexities of human diversity, terms like prognathous will remain integral to our understanding of what it means to be human.

在人类学领域，研究人类的身体特征可以揭示我们进化历史的许多信息。一个引起研究者兴趣的特征是不同人群的下颌结构。用来描述下颌突出的人个体的特定术语是prognathous。这个术语源于希腊语单词“pro”，意思是向前，“gnathos”，意思是下颌。因此，prognathous个体是指下颌比一般人群中观察到的更突出的人。成为prognathous的意义超越了单纯的外观。它可以提供古代人类群体的饮食习惯和环境适应的见解。例如，人类学家注意到，表现出prognathous特征的早期人类通常有以更坚韧、更纤维的食物为主的饮食，这需要强壮的下颌肌肉来有效咀嚼。这种适应在食物来源稀缺的环境中对于生存至关重要。此外，prognathous特征也可以在各种动物物种中观察到，特别是在食肉哺乳动物中。这些动物通常具有突出的下颌，使它们能够更有效地捕捉和消耗猎物。跨物种研究这些特征提供了对塑造身体特征的进化压力的迷人洞察。有趣的是，prognathous特征在不同民族群体中的普遍性差异显著。由于遗传因素和历史饮食习惯，一些人群展现出这种特征的频率较高。理解这些变异有助于人类学家拼凑出人类进化和迁徙的复杂拼图。例如，某些非洲和大洋洲的土著群体相较于欧洲或亚洲的人口，更常见prognathous下颌结构。在当代社会，对于prognathous特征的看法可能截然不同。虽然一些人可能将突出的下颌视为力量和阳刚之气的标志，但其他人可能将其与负面刻板印象或审美关注联系在一起。这突显了美的标准的主观性，以及它们如何影响社会对身体特征的态度。此外，医学领域对prognathous特征也表现出兴趣，特别是在正畸学和颌面外科方面。具有显著prognathous特征的个体可能会经历牙齿问题或咬合对齐困难，从而需要纠正措施。理解与该特征相关的基本解剖结构使医疗专业人员能够为受影响者制定有效的治疗计划。总之，术语prognathous在人体学和医学中包含多种含义和影响。从揭示我们进化的过去到影响现代对美和健康的看法，prognathous特征提醒我们身体特征与文化解释之间错综复杂的关系。随着我们继续探索人类多样性的复杂性，像prognathous这样的术语将继续在我们理解人类本质中发挥重要作用。