trophozoite

简明释义

英[ˌtrɒfəˈzəʊaɪt]美[ˌtroʊfəˈzoʊˌaɪt]

n. 滋养子；[无脊椎] 营养子；营养体

英英释义

单词用法

同义词

反义词

例句

1.The nucleus and cytoplasm of trophozoite was amaranth and blue, respectively.

滋养体包核为紫红色，胞质为蓝色。

2.The nucleus and cytoplasm of the trophozoite was amaranth and blue respectively.

滋养体有紫红色的细胞核和蓝色的细胞质。

3.Three other RBC's in this smear are also infected with a ring trophozoite. At the far left is a gametocyte of this species.

涂片上另外三个红细胞也被环状滋养体感染，在左边远处为配子体。

4.The nucleus and cytoplasm of trophozoite was amaranth and blue, respectively.

体有紫红色的细胞核和蓝色的细胞质。

5.Three other RBC's in this smear are also infected with a ring trophozoite. At the far left is a gametocyte of this species.

涂片上另外三个红细胞也被环状滋养体感染，在左边远处为配子体。

6.The nucleus and cytoplasm of the trophozoite was amaranth and blue respectively. Conclusion Wrig...

滋养体有紫红色的细胞核和蓝色的细胞质。

7.The life cycle of the parasite includes a stage called trophozoite, which is the active, feeding form.

这种寄生虫的生命周期中包括一个阶段，称为滋养体，这是活跃的、以食物为主的形式。

8.Doctors often look for trophozoites in stool samples when diagnosing intestinal infections.

医生在诊断肠道感染时，通常会在粪便样本中寻找滋养体。

9.In laboratory tests, the presence of trophozoites can indicate an active infection.

在实验室检测中，存在滋养体可能表明有活跃感染。

10.The transformation from cyst to trophozoite occurs when conditions become favorable.

当条件变得有利时，从囊泡到滋养体的转化发生。

11.The trophozoite stage is crucial for the reproduction of certain protozoa.

对于某些原生动物而言，滋养体阶段对繁殖至关重要。

作文

In the fascinating world of microbiology, the study of various organisms reveals a plethora of complex life forms. One such organism that has intrigued scientists for decades is the protozoan, particularly its developmental stages. Among these stages, the term trophozoite is of particular importance. A trophozoite refers to the active, motile feeding stage of certain protozoa, which plays a crucial role in their life cycle. Understanding this stage is essential for comprehending how these organisms interact with their environment and with hosts, especially in the context of parasitism.The trophozoite stage is characterized by the organism's ability to actively feed and grow. In this phase, the protozoan absorbs nutrients from its surroundings, often through a process called phagocytosis, where it engulfs food particles. This is particularly evident in parasites that inhabit the intestines of their hosts, such as Giardia lamblia, which causes gastrointestinal distress in humans. The trophozoite form is responsible for the symptoms associated with the infection, as it proliferates and disrupts normal digestive processes.Moreover, the environmental conditions significantly influence the survival and reproduction of trophozoites. For instance, in unfavorable conditions, such as nutrient depletion or changes in pH, these organisms can transition into a dormant cyst stage. This cyst form is resistant to harsh environments and allows the organism to survive until conditions become favorable again. Once the environment improves, the cysts can revert back to the trophozoite stage, resuming their active life cycle.The study of trophozoites is not only important for understanding basic biological processes but also has significant implications for public health. For example, knowledge about the trophozoite stage of pathogenic protozoa aids in developing treatments and preventive measures against diseases they cause. Researchers continue to explore the intricacies of these organisms, aiming to find effective ways to combat the infections they cause.In conclusion, the term trophozoite encapsulates a vital aspect of protozoan biology. By recognizing the significance of this active feeding stage, we gain insight into the life cycles of these organisms and their interactions with their environments and hosts. As science progresses, the understanding of trophozoites will undoubtedly contribute to advancements in medicine and microbiology, highlighting the importance of this seemingly simple yet complex life form in the grand tapestry of life on Earth.

在微生物学的迷人世界中，各种生物的研究揭示了许多复杂的生命形式。其中一种长期吸引科学家注意的生物是原生动物，特别是其发育阶段。在这些阶段中，术语trophozoite尤为重要。trophozoite指的是某些原生动物的活跃、运动的摄食阶段，这在它们的生命周期中起着至关重要的作用。理解这个阶段对于理解这些生物如何与环境以及宿主相互作用，尤其是在寄生的背景下，是必不可少的。trophozoite阶段的特点是生物能够主动摄取和生长。在这个阶段，原生动物通过吞噬作用从周围环境中吸收营养，这一过程尤为明显于寄生在宿主肠道中的寄生虫，如引起人类胃肠道不适的贾第虫（Giardia lamblia）。trophozoite形式负责与感染相关的症状，因为它繁殖并干扰正常的消化过程。此外，环境条件显著影响trophozoites的存活和繁殖。例如，在不利条件下，如营养缺乏或pH值变化，这些生物可以转变为休眠囊泡阶段。囊泡形式对恶劣环境具有抵抗力，使生物能够存活，直到条件再次变得有利。一旦环境改善，囊泡可以恢复到trophozoite阶段，重新开始其活跃的生命周期。对trophozoites的研究不仅对理解基本生物过程重要，而且对公共卫生具有重大意义。例如，了解致病原生动物的trophozoite阶段有助于开发治疗方法和预防措施，以对抗它们引起的疾病。研究人员继续探索这些生物的复杂性，旨在找到有效的方式来对抗它们引起的感染。总之，术语trophozoite概括了原生动物生物学的一个重要方面。通过认识到这个主动摄食阶段的重要性，我们可以深入了解这些生物的生命周期及其与环境和宿主的相互作用。随着科学的发展，对trophozoites的理解无疑将促进医学和微生物学的进步，突显出这一看似简单但复杂的生命形式在地球生命宏伟图景中的重要性。