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Fig. 5 | Chemical and Biological Technologies in Agriculture

Fig. 5

From: Histopathological effects of methomyl and crude extracts of Jatropha curcas against the terrestrial snail, Monacha obstructa (Gastropoda:Hygromiidae)

Fig. 5

Photomicrograph of the digestive gland of Monacha obstructa with LC50 of methomyl stained with Harris haematoxylin and eosin showing: A outer layer covering the digestive tubule was detached (green arrow), the digestive tubules showed breakdown (ddt), the lumen of digestive tubule (l). B Detachment of apical border of the epithelium lining digestive tubules forming blebs (black star) and the lumen filled with secretory materials (sm). C Excretory cells had large brown granules (yellow arrow) and pyknotic nucleus (red arrow). D Great destruction of the digestive tubules (ddt), ruptured basement membrane (red star) and necrosis of the intertubular connective tissue (nct)

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