scoleces

简明释义

英[ˈskoʊlɪsiːz]美[ˈskoʊlɪsiːz]

n. 头节；寄生蠕虫的幼虫；头筛（scolex 的变形）

英英释义

单词用法

同义词

反义词

例句

1.Morphology of the scoleces and gravid proglottids was observed under microscope.

方法 肉眼观察虫体，镜下观察头节和孕节形态。

2.Morphology of the scoleces and gravid proglottids was observed under microscope.

方法 肉眼观察虫体，镜下观察头节和孕节形态。

3.The biologist observed the scoleces of the tapeworm under the microscope.

生物学家在显微镜下观察了绦虫的scoleces。

4.During the dissection, we identified the scoleces as a key feature of the parasite.

在解剖过程中，我们将scoleces识别为寄生虫的一个关键特征。

5.The scoleces are important for the attachment of the worm to the intestinal wall.

这scoleces对于蠕虫附着在肠壁上是很重要的。

6.In tapeworms, the scoleces can vary significantly in size and shape.

在绦虫中，scoleces的大小和形状可能会有显著差异。

7.Researchers are studying the morphology of scoleces in various species of flatworms.

研究人员正在研究不同种类扁虫的scoleces形态。

作文

In the world of biology, understanding the intricacies of various organisms is crucial for advancing our knowledge of life. One fascinating aspect of certain organisms is their developmental stages, particularly in parasitic worms. Among these stages, the term scoleces refers to the head or anterior part of a tapeworm, which is equipped with hooks and suckers that enable it to attach firmly to the intestinal walls of its host. This adaptation is vital for the survival of the tapeworm, as it allows the organism to absorb nutrients from the host's digested food.

Tapeworms belong to the class Cestoda and are known for their flat, ribbon-like bodies. The scoleces, being the initial segment of the tapeworm, plays a key role in its lifecycle. After the tapeworm hatches from its egg, it enters the host's body through contaminated food or water. Once inside, the scoleces attaches itself to the intestinal lining, where it begins to grow and develop into a mature tapeworm. This process highlights the importance of the scoleces in facilitating the tapeworm's parasitic lifestyle.

Understanding the structure and function of the scoleces can provide insights into how tapeworms interact with their hosts. The hooks and suckers on the scoleces are specialized structures that have evolved over millions of years. They allow the tapeworm to resist peristaltic movements within the intestine, ensuring that the parasite remains securely attached while feeding on the host's nutrients. This unique adaptation not only aids in the survival of the tapeworm but also raises questions about the evolutionary pressures that shape such specialized features.

Moreover, studying the scoleces can have significant implications for human health. Tapeworm infections can occur in humans, often resulting from the consumption of undercooked meat or contaminated food. By understanding the biology of the scoleces, scientists can develop better diagnostic tools and treatments for tapeworm infections. This research is essential in combating the public health challenges posed by parasitic diseases, especially in regions where sanitation and hygiene practices may be inadequate.

In conclusion, the study of the scoleces offers valuable insights into the biology of tapeworms and their interactions with hosts. This understanding not only enhances our knowledge of parasitic relationships but also has practical applications in medicine and public health. As we continue to explore the complexities of life on Earth, the significance of structures like the scoleces cannot be underestimated. It serves as a reminder of the intricate connections between organisms and the environments they inhabit, highlighting the importance of biological research in addressing global health issues.

在生物学的世界中，理解各种生物的复杂性对于推动我们对生命的认识至关重要。某些生物的发育阶段尤其引人注目，特别是在寄生虫中。在这些阶段中，术语scoleces指的是绦虫的头部或前部，配备了钩子和吸盘，使其能够牢固地附着在宿主的肠壁上。这种适应性对绦虫的生存至关重要，因为它使生物能够从宿主消化的食物中吸收营养。

绦虫属于带绦虫纲，以其扁平、带状的身体而闻名。scoleces作为绦虫的初始部分，在其生命周期中发挥着关键作用。绦虫在卵中孵化后，通过受污染的食物或水进入宿主体内。一旦进入，scoleces就会附着在肠道内壁上，开始生长并发展成成熟的绦虫。这个过程突显了scoleces在促进绦虫寄生生活方式中的重要性。

理解scoleces的结构和功能可以提供关于绦虫如何与宿主相互作用的见解。scoleces上的钩子和吸盘是经过数百万年进化而来的特化结构。它们使绦虫能够抵抗肠道内的蠕动运动，确保寄生虫在摄取宿主营养时保持牢固附着。这种独特的适应不仅有助于绦虫的生存，还引发了关于塑造这种特化特征的进化压力的问题。

此外，研究scoleces对于人类健康具有重要意义。绦虫感染可能发生在人体内，通常是由于食用未煮熟的肉类或受污染的食物。通过理解scoleces的生物学，科学家可以开发更好的诊断工具和治疗方法来应对绦虫感染。这项研究对于应对寄生虫疾病带来的公共卫生挑战至关重要，尤其是在卫生和卫生习惯可能不足的地区。

总之，研究scoleces为我们提供了有关绦虫生物学及其与宿主相互作用的宝贵见解。这一理解不仅增强了我们对寄生关系的认识，还在医学和公共卫生方面具有实际应用。随着我们继续探索地球上生命的复杂性，像scoleces这样的结构的重要性不容小觑。它提醒我们生物体与其栖息环境之间的复杂联系，突显了生物研究在应对全球健康问题中的重要性。