palpus

简明释义

英[ˈpælpəs]美[ˈpælpəs]

n. 触须（等于 palp）

复 数 p a l p i

英英释义

单词用法

同义词

反义词

例句

1.The halfway removes from using personal influence , the palpus classics group leader agrees with, and obeys safe practice brought forward by group leader.

中途退出活动，须经领队同意，并听从领队提出的安全措施。

2.The male palpus is simplified, having only a single central tegular process, probably the conductor.

雄蛛触肢简单，仅具一个中瓦状中突，可能是引导器。

3.Lucullan breakfast palpus tradition dietary habit is already abandoned by more and more many people.

早餐须丰盛的传统饮食习惯已为越来越多的人所抛弃。

4.Sensillar diversity of maxillary palpus is similar to the labial palpus except for grooved basiconic sensilla, and that the number of sensillum is different.

比较研究发现下颚须和下唇须上感器类型除了带槽锥形感器以外基本相似，只是数量上有区别。

5.Clubiona Japonicola resembles Clubiona subtilis L. KOCH 1879 but differs from the latter in the following respects: 1 apophysis of palpus-tibia of the male is branched Off in this species.

Koch 1879相似，但从下列特征可以相区别：(1)棕管巢蛛雄肢触肢胫节末端的表皮突起分叉。

6.The external morphology of sensilla on maxillary and labial palpus of Periplaneta fuliginosa(Serville) was observed with scanning electron microscope.

利用扫描电子显微镜观察了黑胸大蠊Periplanetafuliginosa（Serville）成虫下颚须和下唇须上的感器形态。

7.Clubiona Japonicola resembles Clubiona subtilis L. KOCH 1879 but differs from the latter in the following respects: 1 apophysis of palpus-tibia of the male is branched Off in this species.

Koch 1879相似，但从下列特征可以相区别：(1)棕管巢蛛雄肢触肢胫节末端的表皮突起分叉。

8.The palpus 触角 plays a crucial role in mating rituals among certain species.

在某些物种的交配仪式中，palpus 触角起着至关重要的作用。

9.In spiders, the male uses his palpus 触角 to transfer sperm to the female.

在蜘蛛中，雄性使用他的palpus 触角将精子转移给雌性。

10.During the examination, the biologist noted the length of the palpus 触角 in the specimen.

在检查过程中，生物学家注意到样本中palpus 触角的长度。

11.The insect uses its palpus 触角 to sense the environment around it.

昆虫利用它的palpus 触角来感知周围的环境。

12.The sensory receptors on the palpus 触角 help the organism detect chemical signals.

在palpus 触角上的感受器帮助生物体探测化学信号。

作文

In the world of biology, the study of various organisms reveals a fascinating array of adaptations and features that contribute to their survival. One such feature is the structure known as the palpus, which plays a crucial role in the sensory perception of many arthropods, including insects and crustaceans. The term palpus refers to an elongated segmented appendage that is primarily used for tactile and sensory functions. These structures can be found on the mouthparts of certain invertebrates, where they assist in feeding and navigation within their environment.The palpus serves multiple purposes depending on the organism. For instance, in spiders, the palpus is not only involved in sensing the environment but also plays a vital role in reproduction. Male spiders often use their palpi to transfer sperm to females during mating rituals. This unique adaptation highlights the importance of the palpus beyond mere sensory functions; it is integral to the reproductive success of these creatures.In insects, the palpus can be found on various mouthparts, such as the maxillae and labium. These structures help insects taste and manipulate food items, allowing them to identify nutritious substances while avoiding harmful ones. For example, butterflies possess long, coiled palpi that enable them to probe flowers for nectar, showcasing the evolutionary significance of this appendage in feeding strategies.Additionally, the palpus is essential for communication among certain species. Some insects use their palpi to detect pheromones, chemical signals that convey information about mating readiness or territory boundaries. This ability to sense chemical cues is crucial for reproductive behaviors and social interactions within insect communities.The diversity of palpi across different species illustrates the adaptability of life forms. For example, crustaceans like crabs and lobsters have evolved palpi that are well-suited for their aquatic environments. These appendages help them navigate through complex underwater habitats and locate food sources. The evolution of the palpus in various taxa demonstrates how organisms have developed specialized structures to thrive in their respective niches.Moreover, studying the palpus provides insights into the evolutionary relationships among species. By examining the morphology and function of palpi across different groups, scientists can infer phylogenetic connections and trace the lineage of certain traits. This research contributes to our understanding of biodiversity and the intricate web of life on Earth.In conclusion, the palpus is a remarkable anatomical feature that exemplifies the complexity of biological adaptations. Its roles in sensory perception, feeding, communication, and reproduction highlight the diverse ways in which organisms interact with their environment. As we continue to explore the natural world, the study of structures like the palpus will deepen our appreciation for the intricate mechanisms that sustain life. Understanding these features not only enhances our knowledge of specific species but also enriches our overall comprehension of evolutionary processes and ecological relationships.

在生物学的世界中，对各种生物的研究揭示了一系列迷人的适应特征，这些特征有助于它们的生存。其中一个特征是被称为palpus的结构，它在许多节肢动物（包括昆虫和甲壳类动物）的感知中发挥着至关重要的作用。术语palpus指的是一种细长的分节附肢，主要用于触觉和感官功能。这些结构可以在某些无脊椎动物的口器上找到，帮助它们在环境中进食和导航。palpus根据生物的不同而具有多种用途。例如，在蜘蛛中，palpus不仅参与感知环境，还在繁殖中发挥重要作用。雄性蜘蛛通常使用它们的palpi在交配仪式中将精子转移给雌性。这种独特的适应性突显了palpus的重要性，超越了简单的感官功能；它对于这些生物的繁殖成功至关重要。在昆虫中，palpus可以在各种口器上找到，如下颚和下唇。这些结构帮助昆虫品尝和操纵食物，使它们能够识别营养物质，同时避免有害物质。例如，蝴蝶拥有长而卷曲的palpi，使它们能够探入花朵中寻找花蜜，展示了这种附肢在觅食策略中的进化重要性。此外，palpus在某些物种之间的交流中也是必不可少的。一些昆虫利用它们的palpi来检测信息素，这是一种传递交配准备或领土边界信息的化学信号。感知化学线索的能力对于繁殖行为和昆虫群体内的社会互动至关重要。不同物种的palpi的多样性说明了生命形式的适应性。例如，像螃蟹和龙虾这样的甲壳类动物进化出的palpi非常适合它们的水生环境。这些附肢帮助它们在复杂的水下栖息地中导航并找到食物来源。palpus在不同类群中的进化展示了生物如何发展出专门的结构以在各自的生态位中茁壮成长。此外，研究palpus为了解物种之间的进化关系提供了见解。通过检查不同群体中palpi的形态和功能，科学家可以推断系统发育关系，并追踪某些特征的谱系。这项研究有助于我们理解生物多样性以及地球上生命的复杂网络。总之，palpus是一个非凡的解剖特征，体现了生物适应性的复杂性。它在感知、觅食、交流和繁殖中的作用突显了生物与环境互动的多样方式。随着我们继续探索自然世界，对palpus等结构的研究将加深我们对维持生命的复杂机制的欣赏。理解这些特征不仅增强了我们对特定物种的知识，也丰富了我们对进化过程和生态关系的整体理解。