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Free Content Behavioral, Morphological and Histopathological Effects of Sublethal Doses of Quercetin on the Species Polycelis felina (Dalyell)*

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The effect of quercetin was studied on the multi-eyed flatworm Polycelis felina (Daly.) in laboratory conditions. This is a very suitable test-organism available year-round in nature, easily maintained in the laboratory. The results showed that depending on the dose and recovery period quercetin caused locomotory (behavioral) changes in treated animals including aggregation in groups, resting and unsynchronized movements and twisting of particular body parts. Morphological changes in the form of depigmentation of certain body parts were the result of damage or deterioration of reticular and parenchymal cells. Numerous basophilic bodies representing parts of damaged and decomposed cells were determined in the gastroderm between the third and seventh day after treatment. All histological preparations revealed significant deterioration of cellular material, and therefore a damaging effect of quercetin on the multi-eyed flatworm Polycelis felina (Daly.). We found an increased number of neoblasts and reticular cells on the third day after treatment, so we concluded that quercetin in the applied doses had a stimulating effect on cell division of neoblasts and reticular cells of treated flatworms.
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Document Type: Research Article

Publication date: 2013

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  • Folia biologica is an international quarterly journal that publishes papers on the broad field of experimental zoology, nuclear and chromosome research, and also ultrastructural studies. All papers are subject to peer reviews. Indexed in: ISI Master Journal List, Current Contents, Polish Scientific Journals Contents. I.F. 0.667
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