dentary
简明释义
adj. 牙齿的；有齿的
n. [脊椎] 齿骨
英英释义
The dentary is the bone that forms the lower jaw in vertebrates, specifically in mammals, and it typically contains the lower teeth. | 牙骨是构成脊椎动物下颌的骨头，特别是在哺乳动物中，通常包含下牙齿。 |
单词用法
下颌骨 | |
下颌结构 | |
下颌牙齿 | |
下颌区域 |
同义词
| 下颌骨 | The mandible is the largest and strongest bone of the human face. | 下颌骨是人脸上最大且最坚固的骨头。 | |
| 颚骨 | The jawbone plays a crucial role in the mechanics of chewing. | 颚骨在咀嚼的机械过程中起着至关重要的作用。 |
反义词
| 上颌骨的 | 上颌骨支撑着上面的牙齿。 | ||
| 腭的 | 腭骨构成口腔硬腭的一部分。 |
例句
1.It can be diagnosed by various details of the premaxilla, nasal, and dentary in the skull and the shape of the distal caudal vertebrae.
它的特征包括其各细节的前颌骨，鼻骨，齿骨，头骨和在尾椎骨末端的形状。
2.It can be diagnosed by various details of the premaxilla, nasal, and dentary in the skull and the shape of the distal caudal vertebrae.
它的特征包括其各细节的前颌骨，鼻骨，齿骨，头骨和在尾椎骨末端的形状。
3.The fossil showed a well-preserved dentary 下颌骨, indicating the species' feeding habits.
这个化石展示了一个保存良好的dentary下颌骨，表明该物种的觅食习惯。
4.The shape of the dentary 下颌骨 can vary significantly between different animal species.
不同动物物种之间，dentary下颌骨的形状可能会有显著差异。
5.Paleontologists often examine the dentary 下颌骨 to determine the diet of extinct species.
古生物学家常常检查dentary下颌骨以确定灭绝物种的饮食。
6.The dentary 下颌骨 is crucial for understanding the evolutionary adaptations of various vertebrates.
研究dentary下颌骨对于理解各种脊椎动物的进化适应至关重要。
7.In mammals, the dentary 下颌骨 is typically the largest bone in the lower jaw.
在哺乳动物中，dentary下颌骨通常是下颌中最大的骨头。
作文
In conclusion, the dentary is a vital component of the jaw that showcases the intricate relationship between anatomy and function. Its variations across species highlight the adaptability of life forms in response to their ecological niches. By studying the dentary and its functions, researchers can gain insights into the evolutionary pressures that shape the physical traits of animals. This understanding not only enriches our knowledge of biology but also enhances our appreciation for the complexity of life on Earth.
总之，dentary是下颚的重要组成部分，展示了解剖学与功能之间的复杂关系。它在物种间的变异突显了生命形式在应对生态位时的适应性。通过研究dentary及其功能，研究人员可以深入了解塑造动物物理特征的进化压力。这种理解不仅丰富了我们对生物学的知识，还增强了我们对地球上生命复杂性的欣赏。
