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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.
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| one publication added to basket [1862] |
On the anatomy and function of the cephalic structures in Phractura (Siluriformes: Amphiliidae), with comments on some striking homoplasies occurring between the Doumeinae and some loricaroid catfishes
Diogo, R.; Oliveira, C.; Chardon, M. (2000). On the anatomy and function of the cephalic structures in Phractura (Siluriformes: Amphiliidae), with comments on some striking homoplasies occurring between the Doumeinae and some loricaroid catfishes. Belg. J. Zool. 130(2): 117-130
In: Belgian Journal of Zoology. Koninklijke Belgische Vereniging voor Dierkunde = Société royale zoologique de Belgique: Gent. ISSN 0777-6276; e-ISSN 2295-0451, meer
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| Auteurs | | Top |
- Diogo, R., meer
- Oliveira, C.
- Chardon, M.
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| Abstract |
Results obtained with the model Trichobilharzia ocellata-Lymnaea stagnalis confirm the hypothesis that schistosome parasites evoke physiological effects in their snail host-castration and giant growth-by interferring with neuroendocrine systems (NES) regulating the physiological pracesses concerned. In the haemolymph of the snail host a factor, called schistosomin ,was found acting at both the central and the peripheral parts of NES involved in regulation of reproduction and growth.Schistosomin appears to be a host-derived factor, propably released by haemocytes and by cells in the connective tissue. It meets the criteria of being a cytokine-like factor, which accounts for its interference with NES. Furthermore, The physiological caused by schistosomes in the snail host resemble aspecific stress responses in mammals, e.g. upon a bacterial challenge. |
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