gastrolith

简明释义

英[ˈɡæstrəlɪθ]美[ˈɡæstrəlɪθ]

n. [脊椎] 胃石

英英释义

单词用法

同义词

反义词

例句

1.Objective:To discussing the effect of diagnosis and therapy of gastrolith by combining traditional Chinese with Western medicine.

目的：探讨中西医、物理结合方法诊断及治疗胃石症的效果。

2.Objective:To discussing the effect of diagnosis and therapy of gastrolith by combining traditional Chinese with Western medicine.

目的：探讨中西医、物理结合方法诊断及治疗胃石症的效果。

3.The presence of gastroliths （胃石） in the fossil record indicates a herbivorous diet.

化石记录中存在的胃石（胃石）表明了草食性的饮食。

4.The discovery of gastroliths （胃石） in a fossilized dinosaur stomach gives insight into its diet.

在化石化的恐龙胃部发现的胃石（胃石）为其饮食提供了洞察。

5.Paleontologists study gastroliths （胃石） to learn about ancient animal behavior.

古生物学家研究胃石（胃石）以了解古代动物行为。

6.Birds, such as chickens, often ingest gastroliths （胃石） to aid in digestion.

鸟类，如鸡，通常会摄入胃石（胃石）以帮助消化。

7.Some dinosaurs used gastroliths （胃石） to help grind their food.

一些恐龙使用胃石（胃石）来帮助磨碎食物。

作文

The natural world is filled with fascinating adaptations that allow animals to thrive in their environments. One such adaptation is the use of gastroliths, which are stones that certain animals, particularly reptiles and birds, ingest to aid in digestion. The term gastrolith comes from the Greek words 'gastro' meaning stomach and 'lithos' meaning stone. These stones play a crucial role in the digestive processes of species that lack teeth or have limited chewing capabilities. For instance, many birds consume small pebbles or gravel that accumulate in their gizzards, where they help grind up food, making it easier for the animal to digest nutrients efficiently.In addition to aiding digestion, gastroliths can also serve as a source of minerals. Animals may ingest these stones not only to assist in breaking down food but also to supplement their diet with essential minerals that might be scarce in their regular food sources. This behavior is particularly important in environments where nutrient availability is low. For example, some herbivorous dinosaurs are believed to have relied heavily on gastroliths to help process tough plant material, allowing them to extract necessary nutrients from their fibrous diet.The study of gastroliths provides valuable insights into the diets and behaviors of ancient creatures. Paleontologists often find fossilized gastroliths alongside dinosaur remains, which helps them understand what these prehistoric animals ate and how they lived. By analyzing the size, shape, and composition of these stones, scientists can infer the types of food that dinosaurs consumed and draw conclusions about their feeding habits and ecological roles.Moreover, the presence of gastroliths in the fossil record can indicate the geographical and environmental conditions of the time. Different regions have varying types of rocks and minerals, and this can influence the kinds of gastroliths that animals would have access to. For instance, a dinosaur that lived in a coastal area might have had access to different types of stones compared to one that lived in a mountainous region. Understanding these differences helps researchers create a more comprehensive picture of the ecosystems in which these animals lived.In modern times, the study of gastroliths continues to intrigue biologists and paleontologists alike. Observations of contemporary birds and reptiles provide a living model for understanding how these stones function in digestion. For example, studies have shown that certain bird species will actively seek out specific types of stones that are more effective at grinding food. This behavior suggests a level of instinctual knowledge about what is beneficial for their digestive health.In conclusion, gastroliths are not just simple stones; they are vital components of the digestive systems of various animals. Their role in aiding digestion, providing essential minerals, and offering insights into the diets of ancient creatures makes them an intriguing subject of study. As we continue to explore the natural world, the significance of gastroliths reminds us of the complex relationships between organisms and their environments, illustrating the intricate web of life that has evolved over millions of years.

自然界充满了迷人的适应性，这使得动物能够在其环境中茁壮成长。其中一种适应性是某些动物（特别是爬行动物和鸟类）摄取的石头，称为gastrolith，以帮助消化。术语gastrolith源自希腊词“gastro”，意为胃，以及“lithos”，意为石头。这些石头在缺乏牙齿或咀嚼能力有限的物种的消化过程中发挥着至关重要的作用。例如，许多鸟类会摄取小卵石或砾石，这些物质在它们的砂囊中积累，有助于磨碎食物，使动物更容易有效消化营养。除了帮助消化之外，gastroliths还可以作为矿物质的来源。动物可能会摄取这些石头，不仅是为了帮助分解食物，还为了补充其饮食中可能缺乏的必需矿物质。这种行为在营养供应稀缺的环境中特别重要。例如，一些食草恐龙被认为在处理坚韧的植物材料时严重依赖gastroliths，这使它们能够从纤维丰富的饮食中提取必要的营养。对gastroliths的研究为理解古代生物的饮食和行为提供了宝贵的见解。古生物学家经常在恐龙遗骸旁发现化石化的gastroliths，这有助于他们理解这些史前动物的饮食和生活方式。通过分析这些石头的大小、形状和成分，科学家可以推断出恐龙所吃食物的类型，并得出关于其觅食习惯和生态角色的结论。此外，化石记录中gastroliths的存在可以指示当时的地理和环境条件。不同地区的岩石和矿物质类型各异，这可能影响动物获得的gastroliths的种类。例如，生活在沿海地区的恐龙可能能接触到与生活在山区的恐龙不同类型的石头。理解这些差异有助于研究人员更全面地描绘这些动物生活的生态系统。在现代，对gastroliths的研究继续吸引生物学家和古生物学家的兴趣。对当代鸟类和爬行动物的观察为理解这些石头在消化中的功能提供了活生生的模型。例如，研究表明某些鸟类会主动寻找特定类型的石头，这些石头在磨碎食物方面更有效。这种行为表明，动物对有益于其消化健康的知识具有一定的本能。总之，gastroliths不仅仅是简单的石头；它们是各种动物消化系统的重要组成部分。它们在帮助消化、提供必需矿物质以及提供对古代生物饮食的见解方面的作用，使其成为一个引人入胜的研究课题。随着我们继续探索自然世界，gastroliths的重要性提醒我们生物体与其环境之间复杂的关系，展示了数百万年来演变而来的生命错综复杂的网络。