oocysts

简明释义

英[ˈəʊəʊsɪsts]美[ˈoʊəˌsɪsts]

n. [无脊椎]卵囊（oocyst 的复数形式）

英英释义

单词用法

同义词

反义词

例句

1.The spiking test shows that the detection limit of this method is 10 oocysts.

加标试验表明，该方法的检测限为10个卵囊。

2.Firstly. Based on the morphology of the oocysts and experimental infection, the coccidial species were investigated and identified from 16 domestic gooseries in Gaoyou-county Jiangsu province.

首先，采用卵囊形态结构特征观察与回归动物试验相结合的方法，对江苏省高邮市家鹅感染球虫的种类进行了调查与鉴定。

3.The infectivity of the oocysts obtained from the same origin but different animals and different purification methods in a bovine fallopian tube epithelial cell culture system was studied.

探讨来自不同动物、不同纯化方法的卵囊在牛输卵管上皮细胞培养系统的感染情况。

4.Recults showed that 21-day-old male Luoman chickens inoculated with 1 000 and 5 000 sporulated oocysts of Emitis appeared normal 6 days PI and no lesions were observed in the intestines.

结果表明，21日龄雏鸡感染1 000个和5 000个孢子化卵囊未见异常表现，肠道未发现肉眼可见的病理变化。

5.Thin wall and thick wall type oocysts first appeared after oocysts sporulated.

卵囊孢子化后出现厚壁型与薄壁型卵囊。

6.The results showed that QK could improve the survival rate and relative rate of gain, decrease the bloody stool scores and oocysts of cecum content, and relieve the pathological changes of cecum.

结果发现球抗能提高球虫病鸡的存活率和相对增重率，减少血便记分和盲肠内容物卵囊数，减轻盲肠病变。

7.Cyclospora-like oocysts from monkey feces were isolated for the first time in China by saturated sucrose floatation, modified acid-fast staining and sporulation experiment.

采用饱和蔗糖漂浮法、改良抗酸染色法和孢子化试验首次从广东某猴场的猴粪中分离到疑似环孢子虫卵囊。

8.Mesenteric lymph nodes were edematous and some giant meronts and oocysts were found in their cortical sinuses and lymphatic vessels.

肠系膜淋巴结水肿，被膜下、小梁周围的淋巴窦和淋巴管中有大裂殖体和卵囊存在。

9.In water samples, we often find oocysts (卵囊) of protozoa that indicate contamination.

在水样中，我们经常发现原生动物的oocysts（卵囊），这表明污染。

10.The presence of oocysts (卵囊) in fecal matter can signal a health risk to humans.

粪便中存在oocysts（卵囊）可能表明对人类的健康风险。

11.Laboratories use microscopy to identify oocysts (卵囊) in clinical samples.

实验室使用显微镜来识别临床样本中的oocysts（卵囊）。

12.Proper sanitation is crucial to prevent the spread of oocysts (卵囊) in food and water.

适当的卫生措施对于防止食品和水中oocysts（卵囊）的传播至关重要。

13.Some parasites produce oocysts (卵囊) that can survive in harsh environmental conditions.

一些寄生虫产生的oocysts（卵囊）可以在恶劣的环境条件下存活。

作文

Understanding the role of oocysts in the life cycle of certain parasites is essential for both scientific research and public health. Oocysts, which are a form of resistant cysts produced by protozoan parasites, serve as a key stage in their reproductive cycle. These microscopic structures are often found in contaminated water or food, making them a significant concern for human health. The most well-known parasites that produce oocysts include Cryptosporidium and Toxoplasma gondii, both of which can lead to serious health issues when ingested. Cryptosporidium, for instance, is notorious for causing gastrointestinal illness known as cryptosporidiosis. When humans or animals ingest oocysts, the parasites can invade the intestinal lining, leading to symptoms such as diarrhea, stomach cramps, and dehydration. The resilience of oocysts makes them particularly challenging to eliminate from water supplies. They can withstand chlorine disinfection, which is commonly used in water treatment processes, thus posing a risk to public health. On the other hand, Toxoplasma gondii is another parasite that produces oocysts, primarily shed in the feces of infected cats. Humans can become infected by consuming undercooked meat containing the parasite or through exposure to contaminated soil or water. While many people may not exhibit symptoms, Toxoplasmosis can have severe effects on pregnant women and individuals with weakened immune systems, leading to complications such as miscarriage or neurological disorders. The study of oocysts extends beyond just understanding their biological implications. Researchers are continually looking for effective methods to detect and reduce their presence in the environment. Techniques such as polymerase chain reaction (PCR) assays have been developed to identify oocysts in water samples, providing a means to monitor water quality and prevent outbreaks of waterborne diseases. Additionally, public awareness campaigns play a crucial role in educating communities about the risks associated with oocysts. Simple measures, such as practicing good hygiene, ensuring proper cooking of food, and avoiding drinking untreated water, can significantly reduce the risk of infection. Governments and health organizations also work together to implement regulations and guidelines aimed at minimizing the contamination of water sources with oocysts. In conclusion, oocysts are an important aspect of parasitic life cycles that have significant implications for human health. Understanding their characteristics and the methods to control their spread is vital for preventing infections and protecting public health. As research continues to evolve, it is crucial for both scientists and the general public to remain informed about the risks associated with oocysts and to take proactive steps to mitigate these risks.

理解囊孢子在某些寄生虫生命周期中的作用对于科学研究和公共卫生至关重要。囊孢子是由原生动物寄生虫产生的一种耐受性囊泡，作为其繁殖周期的关键阶段。这些微观结构通常存在于被污染的水或食物中，使其成为人类健康的重要关注点。最著名的产生囊孢子的寄生虫包括隐孢子虫和弓形虫，它们在摄入时可能导致严重的健康问题。 例如，隐孢子虫以引起称为隐孢子虫病的胃肠道疾病而臭名昭著。当人类或动物摄入囊孢子时，寄生虫可以侵入肠道内壁，导致腹泻、胃痉挛和脱水等症状。囊孢子的韧性使它们特别难以从水源中消除。它们能够承受氯消毒，这在水处理过程中常用，从而对公共健康构成风险。 另一方面，弓形虫是另一种产生囊孢子的寄生虫，主要通过感染猫的粪便排出。人类可以通过食用含有寄生虫的未煮熟肉类或接触被污染的土壤或水而感染。虽然许多人可能没有表现出症状，但弓形虫病对孕妇和免疫系统较弱的人群可能产生严重影响，导致流产或神经系统疾病等并发症。 对囊孢子的研究不仅仅局限于理解其生物学意义。研究人员不断寻找有效的方法来检测和减少它们在环境中的存在。聚合酶链反应（PCR）检测技术已被开发出来，以识别水样中的囊孢子，提供了一种监测水质和防止水源性疾病爆发的手段。 此外，公众意识运动在教育社区了解与囊孢子相关的风险方面发挥着至关重要的作用。简单的措施，例如保持良好的卫生习惯，确保食物的适当烹饪，以及避免饮用未经处理的水，可以显著降低感染风险。政府和卫生组织还共同努力实施法规和指南，旨在最小化水源中囊孢子的污染。 总之，囊孢子是寄生虫生命周期中的一个重要方面，对人类健康有重大影响。理解它们的特征以及控制其传播的方法对于预防感染和保护公共健康至关重要。随着研究的不断发展，科学家和公众都必须保持对与囊孢子相关的风险的了解，并采取积极措施来减轻这些风险。