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There was limited disruption to the external fluke surface, with only slight swelling and blebbing of the interspinal tegument in the midbody and ventral tail regions. By contrast, significant disruption was observed to the ultrastructure of the tegument and subtegumental tissues. There was severe swelling of the basal infolds in the tegumental syncytium and the flooding spread internally to affect the subtegumental tissues. In the tegumental system, there was swelling of the cisternae of granular endoplasmic reticulum and of the mitochondria, with the latter showing signs of breaking down. Autophagic vacuoles and lipid droplets were present and the synthesis of tegumental secretory bodies was much reduced. The gastrodermal cells were severely affected, with swelling and degeneration of the mitochondria and the presence of autophagic vacuoles and lipid droplets. The granular endoplasmic reticulum was swollen and vesiculated and the cells contained few secretory bodies. Both the vitelline and testis follicles showed evidence of extensive cellular disruption and degeneration. This study confirms previous data indicating the potential flukicidal activity of OZ78.<\/jats:p>","DOI":"10.1017\/s0031182009990643","type":"journal-article","created":{"date-parts":[[2009,8,7]],"date-time":"2009-08-07T11:46:55Z","timestamp":1249645615000},"page":"1325-1337","source":"Crossref","is-referenced-by-count":20,"title":["Electron microscopical study to assess the<i>in vitro<\/i>effects of the synthetic trioxolane OZ78 against the liver fluke,<i>Fasciola hepatica<\/i>"],"prefix":"10.1017","volume":"136","author":[{"given":"L.","family":"HALFERTY","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. F.","family":"O'NEILL","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G. 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