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dc.contributor.authorWilliams, Chris Fen_UK
dc.contributor.authorPoddubnaya, Larisaen_UK
dc.contributor.authorScholz, Tomasen_UK
dc.contributor.authorTurnbull, Jamesen_UK
dc.contributor.authorFerguson, Hughen_UK
dc.description.abstractMonobothrium wageneri is a monozoic caryophyllidean tapeworm of tench Tinca tinca. The pathological changes caused by this parasite within the intestinal tract of wild tench are described for the first time. Parasites were found attached to the anterior third of the intestine in tight clusters comprising up to 109 tapeworms. Infection was associated with the formation of raised inflammatory swellings surrounding the parasites. This host response, combined with the deep penetration of the scolex into the gut wall, formed a very firm seat of parasite attachment. Histopathological changes were characterised by a pronounced fibrogranulomatous lesion that extended through all layers of the intestine. This was accompanied by haemorrhage, oedema, necrosis and degeneration of the muscularis. A marked eosinophilic interface layer between the scolex of the tapeworm and gut wall indicated intimate host-parasite contact. Ultrastructural examinations revealed coniform spinitriches covering the neck and lateral sides of the scolex and capilliform filitriches present on the apical end of the scolex. Numerous glandular cytons (tegumental glands) were recorded throughout the scolex tegument. Large numbers of secretory granules discharged from the glands through a network of processes onto the scolex surface were consistent with distancing the cellular responses of the host. Observations of severe inflammatory lesions, partial intestinal occlusion and the potential for intestinal perforation represent important pathological changes that are consistent with loss of normal gut function. The lesions associated with the attachment of M. wageneri are more severe than those recorded for any other tapeworm of British freshwater fish.en_UK
dc.relationWilliams CF, Poddubnaya L, Scholz T, Turnbull J & Ferguson H (2011) Histopathological and ultrastructural studies of the tapeworm Monobothrium wageneri (Caryophyllidea) in the intestinal tract of tench Tinca tinca. Diseases of Aquatic Organisms, 97 (2), pp. 143-154.
dc.rightsThis item has been embargoed for a period. During the embargo please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study. Publisher policy allows this work to be made available in this repository. Published in Diseases of Aquatic Organisms, 97:143-154, 2011 by Inter-Research. The original publication is available at:
dc.subjectMonobothrium wagenerien_UK
dc.titleHistopathological and ultrastructural studies of the tapeworm Monobothrium wageneri (Caryophyllidea) in the intestinal tract of tench Tinca tincaen_UK
dc.typeJournal Articleen_UK
dc.rights.embargoreason[Diseases of Aquatic Organisms 2011.pdf] Publisher requires embargo of 48 months after formal publication.en_UK
dc.citation.jtitleDiseases of Aquatic Organismsen_UK
dc.type.statusVoR - Version of Recorden_UK
dc.contributor.affiliationEnvironment Agencyen_UK
dc.contributor.affiliationRussian Academy of Sciences, Russiaen_UK
dc.contributor.affiliationCzech Academy of Sciencesen_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
rioxxterms.typeJournal Article/Reviewen_UK
local.rioxx.authorWilliams, Chris F|en_UK
local.rioxx.authorPoddubnaya, Larisa|en_UK
local.rioxx.authorScholz, Tomas|en_UK
local.rioxx.authorTurnbull, James|0000-0003-0741-9747en_UK
local.rioxx.authorFerguson, Hugh|en_UK
local.rioxx.projectInternal Project|University of Stirling|
local.rioxx.filenameDiseases of Aquatic Organisms 2011.pdfen_UK
Appears in Collections:Aquaculture Journal Articles

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