Results 261 to 270 of about 1,436,662 (296)

MOLTING OFGNATHOSTOMA DOLORESI(NEMATODA: GNATHOSTOMATOIDEA) IN THE DEFINITIVE HOST

Journal of Parasitology, 2001
Premolt, molting, and postmolt worms of Gnathostoma doloresi (Nematoda: Gnathostomatoidea) recovered from the stomach wall of naturally infected wild boars Sus scrofa leucomystax in Miyazaki, Japan, were examined morphologically. The only molt observed was that from the advanced third-stage to the adult stage.
J, Imai, H, Hasegawa
openaire   +2 more sources

Transmission experiments on the host specificity ofHeterophyes species in 16 potential definitive hosts

Zeitschrift f�r Parasitenkunde Parasitology Research, 1985
Sixteen different species of piscivorous mammals and birds were tried as experimental definitive hosts for Heterophyes heterophyes, H. aequalis and H. dispar. The hosts were classified in four categories, by fluke longevity, recovery and size, and the number of uterine eggs (embryonated/unembryonated): (1) Canidae and the cat were highly susceptible ...
openaire   +2 more sources

MicroRNAs in opisthorchiids and their definitive hosts: Current Status and Perspectives

Molecular and Biochemical Parasitology
Opisthorchis felineus, Opisthorchis viverrini, and Clonorchis sinensis (family Opisthorchiidae) are parasitic flatworms that pose serious threats to humans in certain countries and cause opisthorchiasis/clonorchiasis. Opisthorchiid flukes parasitize the biliary tract of the host, causing cholangitis, cholecystitis, cholelithiasis and cholangiocarcinoma.
Xiang, Li, Jian, Ding, Xiaoli, Zhang, Xueli, Zhang, Xu, Jiang, Rui, Chen, Yang, Cheng, Yifan, Sun, Jie, Wan, Yu, Zhang, Jianping, Cao, Su, Han   +11 more
openaire   +2 more sources

Echinostomes in the definitive host: a model for the study of host-parasite relationships.

2008
Echinostomes are hermaphroditic digeneans that parasitize, as adults, numerous vertebrate hosts of all classes. In this chapter, the main features of the development of adult echinostome in the definitive host are analyzed in detail. The stage of the echinostome in the definitive host undergoes a number of features such as metacercarial excystment ...
openaire   +1 more source

Dogs are definitive hosts of Neospora caninum.

International journal for parasitology, 1998
Dogs were investigated to determine if they are definitive hosts of Neospora caninum. Four dogs were fed N. caninum tissue cysts in infected mouse tissue, and two negative control dogs were fed uninfected mouse tissue. Dog faeces were examined daily for 30 days using a sucrose flotation technique.
McAllister, M.M., Dubey, J.P., Lindsay, D.S., Jolley, W.R., Wills, R.A., McGuire, A.M.   +5 more
openaire   +2 more sources

The epidemiology of fascioliasis in Malawi part II. Epidemiology in the definitive host

Tropical Animal Health and Production, 1981
The epidemiology of Fasciola gigantica Cobbold was studied in the definitive host and the epidemiological cycle was determined. The incidence of immature flukes was high in September to December and mature flukes from December to March. A survey of chronic fascioliasis was conducted covering almost the whole country.
S A, Mzembe, M A, Chaudhry
openaire   +2 more sources

Distribution of Toxocara infection in the environment and in definitive and paratenic hosts in Estonia

Acta Veterinaria Hungarica, 2006
The aim of the study was to elucidate the distribution and possible transmission routes of Toxocara spp. infection in Estonia. Out of 454 faecal and sand samples collected from park lawns and sandpits in the town of Tartu, 19 were Toxocara positive (4.2%). Out of the 45 sandpit samples 17.8% were Toxocara positive.
Talvik, Heli, Moks, Epp, Mägi, Erika, Järvis, T., Miller, Illa   +4 more
openaire   +3 more sources

The Epidemiology and Host–Parasite Relationships of Schistosoma japonicum in Definitive Hosts

Parasitology Today, 1999
McGarvey, S. T., Zhou, X. N., Willingham, A. L., Feng, Z., Olveda, R.   +4 more
openaire   +2 more sources

Immunology and pathology of echinostome infections in the definitive host.

2008
This chapter examines the salient literature on the immunology and pathology of members of the family Echinostomatidae in their definitive hosts, with emphasis on experimental studies that may provide useful information on factors that determine resistance to the parasites.
openaire   +1 more source

The immune response of the definitive hosts to diphyllobothriid antigens.

Angewandte Parasitologie, 1990
It was established that antigens of diphyllobothriids entered the organisms of nestlings of gulls (Larus fuscus) and terns (Sterna hirundo) through the intestine. In terns, the most intensive neutralization of parasite antigens was found in the intestine inducing a weak response of the immune system.
E G, Sergeeva, E G, Kravcov, V I, Freze, M V, Dalin   +3 more
openaire   +1 more source