Abstract
NATURAL CURE OF HISTOARCHITECTURE IN HEPATOPANCREAS OF FRESHWATER GASTROPOD SNAIL, BELLAMYA BENGALENSIS (L.) AFTER HEAVY METAL STRESS
P. R. Mahajan*
ABSTRACT
Bellamya bengalensis was exposed to LC50/10 concentrations of mercuric chloride for different periods of time for a histological study. The effects of LC50/10 concentrations of mercuric chloride on histology of hepatopancreas have been documented. The histopathological alterations examined are disintegration of basement membrane due to damaged epithelial cells, disruption of hepatic tubules, and increase in internal luminar area, occurrence of cell debris in between the tissue at 0.109 ppm HgCl2 for 7 days. After 7 days snails exposed in chronic concentration of heavy metal salt, HgCl2 were alloweded in normal water for natural cure upto 7 days. The histoarchitecture of hepatopancreas was shows better change decrease in internal luminar area,damaged epithelium shows recovery.This study indicates fresh water snails possesses ability to recover itself naturally.
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