{"title":"In vitro studies on the effects of some anthelmintics on Cotylophoron cotylophorum (Digenea, Paramphistomidae): a structural analysis.","authors":"L Veerakumari, N Munuswamy","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The effects of the anthelmintics praziquantel (PZQ), levamisole (LEV), mebendazole (MBZ), fenbendazole (FBZ) and albendazole (ABZ), on the morphology and the histology of a digenetic trematode, Cotylophoron cotylophorum, were studied. Scanning electron micrographs of the drug-treated worms revealed that PZQ was the most effective drug inducing surface damages to a great extent. The parasite exposed to PZQ for 6 h, showed smaller blebs on the oral sucker region as well as on the sensory papillae. These blebs enlarged in size after 24 h and ruptured after 30 h of exposure. The worms treated with LEV showed a few smaller blebs on the ventrolateral margin. In MBZ- and FBZ-treated worms the blebs appeared between the oral and genital sucker after 6 h of incubation. The changes were not apparent in the ABZ-treated worms.</p>","PeriodicalId":11078,"journal":{"name":"Cytobios","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1999-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Cytobios","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The effects of the anthelmintics praziquantel (PZQ), levamisole (LEV), mebendazole (MBZ), fenbendazole (FBZ) and albendazole (ABZ), on the morphology and the histology of a digenetic trematode, Cotylophoron cotylophorum, were studied. Scanning electron micrographs of the drug-treated worms revealed that PZQ was the most effective drug inducing surface damages to a great extent. The parasite exposed to PZQ for 6 h, showed smaller blebs on the oral sucker region as well as on the sensory papillae. These blebs enlarged in size after 24 h and ruptured after 30 h of exposure. The worms treated with LEV showed a few smaller blebs on the ventrolateral margin. In MBZ- and FBZ-treated worms the blebs appeared between the oral and genital sucker after 6 h of incubation. The changes were not apparent in the ABZ-treated worms.
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