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Paper Details

Histological changes in the testis of air-breathing fish, Heteropnuestes fossilis (Bloch) following Cadmium chloride exposure

Shivani Sharma1, Vipin Vyas2 , Sadhna Tamot3 and Susan Manhor1

Journal Title:Journal of Chemical, Biological and physical sciences

The present study was carried out to evaluate the sub-lethal effect of Cadmium chloride in the testis of the air-breathing fish, Heteropneustes fossilis which were kept in aqueous solution of Cadmium chloride of two sub-lethal concentrations of 6mg/l and 9mg/l for 15, 30 and 45 days. The histo-pathological effect of Cadmium chloride in testis is characterized by regression after 15 days of 6mg/l exposure and spermatozoa in the lobules showed cytolysis after 30 days. After 45 days the seminiferous tubules get vacuolated and dilated. In 9mg/l concentration after 15 days, the components of testicular architecture disorganized and germinal epithelium was disrupted, whereas seminiferous tubules get vacuolated after 30 days and after 45 days extensive damage to germinal epithelium, necrotic cells, connective tissues and atrophic and prominent vacoulation was recorded.