metacercaria

Conclusion The colony of metacercaria could keep stable growing ability in fish and in vitro ;

结论囊蚴群体在鱼体内及体外环境中的生长保持一定的稳定性；

Discovery of metacercaria in two freshwater crabs infected naturally by Paragonimus

在四川省二种淡水蟹中发现自然感染肺吸虫囊蚴

Adult and metacercaria contain common antigens and stage-specific antigens .

成虫和囊蚴存在共同抗原和期特异抗原；

Freshwater Fish Infected with Metacercaria ( Clonorchis sinensis ) in Haikou Trading Market

海口地区集贸市场淡水鱼华枝睾吸虫囊蚴感染调查

Analysis of antigens of adult and metacercaria of Paragonimus westermani

卫氏并殖吸虫成虫和囊蚴抗原分析

It suggests that the tegument of metacercaria is the main absorptive site of nutrients .

结果提示皮层是后尾蚴吸收营养物质的主要部位。

Survey on the fish species & investigation on the infection of metacercaria of liver flukes in the Liujiang River fish

柳江河鱼种调查及其感染肝吸虫囊蚴的研究

Objective To realize the infection of metacercaria of Clonorchis sinensis in fish and survival of metacercaria in vitro .

目的了解华支睾吸虫囊蚴在鱼体内自然感染状态及其在保存液中的存活情况。

Among 107 small ones , 35 encysted metacercaria were found that is each small crab was averagely infected with 0.33 one .

检查107只小溪蟹，共查获35个囊蚴，每只小溪蟹感染囊蚴平均数033。

To study the infection of encysted metacercaria on fresh water fish in Nanshan District of Shenzhen and provide references for disease control units .

目的了解深圳市南山区食用淡水鱼华支睾吸虫囊蚴感染情况，为疾病控制部门采取预防措施提供参考资料。

Result Eating raw crab rate was 37.66 % according to the investigation table , metacercaria infection rate was 7,93 % in dissected crabs .

结果问卷调查发现村民生吃蟹率为37.66%；解剖的溪蟹中，囊蚴感染率为7.93%；

The ultrastructure of metacercaria of Paragonirtus westermani was observed with scanning electron microscopy .

应用扫描电镜观察卫氏并殖吸虫后尾蚴的超微结构。

The present Paper involved the study of the surface structures of adult , metacercaria and egg of paragonimus westermani by using scanning electron microscope .

本文报告卫氏并殖吸虫成虫、后尾蚴的体被及卵壳在扫描电镜下观察的结果。

Fresh water fish of the local ponds are not infected by encysted metacercaria , while fish from surrounding areas are infected .

结论深圳市本地产食用淡水鱼均未受华支睾吸虫囊蚴感染，但少数来自周边地区的淡水鱼仍有感染。

The average diameter of metacercariae is 168.5 μ m. There are squamous spines on metacercaria .

囊蚴直径平均为168.5μm，囊内幼虫布满鳞状体棘。

Infection Investigation of Encysted Metacercaria of Clonorchis Sinensis in Freshwater Fishes and Shrimps at County Heng Trade Market in Guangxi

广西横县集贸市场淡水鱼虾华支睾吸虫囊蚴感染调查

The geographical distribution of freshwater crabs ( the second intermediate host of lung fluke ) and the infective rate of Paragonimus metacercaria

湖北省淡水蟹的地域分布及并殖吸虫囊蚴感染

The observed result of metacercaria eggs , adults and chromosomes shows that P. westermani in the area is diploid type ( small strain ) .

对囊蚴、虫卵、成虫和染色体的观察结果，显示该地区的肺吸虫为二倍体型&小型卫氏肺吸虫。

A Survey of Paragonimus Metacercaria Infection in Potamon Denticulata and Seroprevalence in Populations of Hangzhou

杭州市溪蟹并殖吸虫囊蚴感染与人群感染情况调查

Objective To observe pathological changes of liver tissue and detectable rate of eggs from infected rat feces after rats were infected by different dose of Clonorchis sinensis metacercaria .

目的观察不同剂量的华支睾吸虫囊蚴感染后大鼠粪便中虫卵检出率及肝组织的病理变化。

It was suggested that the basic nervous structure of P. westermani had formed in the stage of metacercaria , but the AChE activity in the nervous system was relatively low .

结果提示，卫氏并殖吸虫后尾蚴神经系统结构虽发育较完整，但AChE活性相对较低。

Species of the fish were infected with the metacercaria of the clonorchis sinensis . The detectable rate of fish was 60 % ( 9 / 15 ) .

共采集15种385尾淡水鱼，用鱼肉压片法发现9种255尾鱼感染了肝吸虫囊蚴，鱼的检出率为60%（9/15）；

The antibodies can be detected from sheep infected artificially with 10 to 100 metacercaria of F. hepa - tica over 14 days later using the purified antigen .

提纯抗原能检出人工感染10～100个囊蚴14天以上的羊抗体。

The results were as follows : 1 . The concentration of AC P from the medium of AM activated by BCG or metacercaria was higher than that from infected adult worm and normal group .

结果：1、卡介苗激活组及囊蚴感染组AM培养液内ACP浓度高于成虫感染组；

Results The antibody against metacercaria in rat serum was found after infection 45 days and the antibody titer rose gradually . The high antibody level was examined in 60 days after infection till the test finished .

结果大鼠在感染后第45天检测到抗囊蚴抗体且抗体水平逐渐升高，60天达到最高，以后略有下降并维持一定水平，直至感染结束。

Methods Meat , gills and scales samples were collected from the freshwater fishes , digested by artificial stomach liquid and examined for the encysted metacercaria of Clonorchis sinensis under microscope .

方法取淡水鱼肉、鱼鳃及鱼鳞，采用人工胃液消化法，镜下检查华支睾吸虫囊蚴。

Conclusion Encysted metacercaria of Clonorchis Sinensis could be checked in freshwater fishes in Huainan area , which indicated there had the danger of infect Clonorchiasis in the crowd of huainan area .

结论在淮南地区淡水鱼虾中检测到华支睾吸虫囊尾蚴，提示淮南地区人群有感染华支睾吸虫病的危险性。

The Infection of Clonorchis sinensis metacercaria in fish and the survival of metacercaria in vitro A metabolic antigen ( MA ) was prepared from adult worms of Clonorchis sinensis by simple keeping C.

鱼体华支睾吸虫囊蚴自然感染状态及保存液中存活情况本文报道华支睾吸虫成虫代谢抗原（MA）的化学、免疫化学及免疫学性质。

[ Methods ] Meet samples of 6 species of common fish were collected , direct compression and artificial digestion methods were used to detect encysted metacercaria , then infected rabbits with the encysted metacercaria for confirmation .

方法取6种常见淡水鱼鱼肉，采用直接压片法和人工消化法检查囊蚴，再将囊蚴感染家兔进一步确证。

There were 6 rats in the control group , 36 rats in the infection group . Raise in the same condition . The animal model were set up by the way of peritoneal injection of Pagumogonimus skrjabini metacercaria to infect rats .

方法将42只大鼠随机分为两组，即对照组6只，感染组36只，在同等条件下饲养，感染组每只大鼠腹腔注射15只囊蚴建立动物模型。