Histopathological Changes Induced by Metaldehyde in Eobania vermiculata (Müller 1774) | ||
| Alexandria Science Exchange Journal | ||
| Article 4, Volume 32, JULY- SEPTEMBER - Serial Number 3, September 2011, Pages 300-310 PDF (719.6 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/asejaiqjsae.2011.2634 | ||
| Author | ||
| Yasser Abo Bakr | ||
| Department of Agricultural Animal Pests, Plant Protection Research Institute, Agricultural Research Center, Alexandria, Egypt. | ||
| Abstract | ||
| Metaldehyde is a specific molluscicide for terrestrial snails and slugs. Histopathological changes induced by metaldehyde in the terrestrial snail E. vermiculata were investigated by light microscopy in order to study its cellular toxicity. Alterations in digestive gland included cellular infiltration, destruction of intertubular connective tissue, and extensive vacuolation in the cytoplasm of digestive cells. Degeneration and necrosis in the lining epithelium of the digestive tubules were also noticed. Irregular thickening in the outer covering muscular layer, thinning of basal layer, atrophy and degeneration of mucous cells were the most observed changes in dart gland. The histological alterations in the kidney were degeneration of nephrocytes, and an increase in the number and size of concretions in nephrocytes. Metaldehyde showed cytotoxic effects in all tested organs, that in turn leads to failure of the digestive, reproductive and excretory systems. | ||
| Keywords | ||
| Metaldehyde; Eobania vermiculata; Digestive gland; dart gland; kidney | ||
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