Podeti Koteshwar Rao
The light microscopy was to identify cells, storage products, tissue deposits, and microbial pathogens. The Assessment of surrounding tissue with special stains may reveal aspects of interest for the tissue. We illustrate the expected staining characteristics of control Channa punctatus liver tissue with Methyl Green -Pyronin â??Yâ?? and Feulgenâ??s Reaction stains. The aim of this study was to characterize the normal structure of the liver of Channa punctatus, a carnivorous freshwater fish found in Hasanparthy Lake, using gross anatomy, histology and histochemistry. Anatomically, the liver presents C-shaped and only two lobes smaller right and bigger left. The gallbladder is located in right lobe and shows elongated shaped. Histological analysis demonstrated that the hepatic parenchyma is made of two hepatocytes plates surrounded by sinusoids. The fish moreover pancreatic tissue was observed in visceral portion of liver, formed by exocrine pancreatic tissue and islet organ, constituting an extrahepatic pancreas. The nucleic acids content in different tissues in the freshwater fish of Channa punctatus. The fish were scarified and the tissues such as liver and Pancreas removed and processed for determination of nucleic acids. The results obtained in the present study may provide a contribution to the knowledge of the characteristics of nucleic acid as parameters of estimation of DNA and RNA levels in Liver of the fish.
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