et al., M. (2025). Intrahepatic- Vascular- Biliary Tract in Hepatopancreas and Liver of Some Teleost Fish in Tigris River (Baghdad, Iraq). Egyptian Journal of Aquatic Biology and Fisheries, 29(4), 2957-2969. doi: 10.21608/ejabf.2025.449306
Mohsin et al.. "Intrahepatic- Vascular- Biliary Tract in Hepatopancreas and Liver of Some Teleost Fish in Tigris River (Baghdad, Iraq)". Egyptian Journal of Aquatic Biology and Fisheries, 29, 4, 2025, 2957-2969. doi: 10.21608/ejabf.2025.449306
et al., M. (2025). 'Intrahepatic- Vascular- Biliary Tract in Hepatopancreas and Liver of Some Teleost Fish in Tigris River (Baghdad, Iraq)', Egyptian Journal of Aquatic Biology and Fisheries, 29(4), pp. 2957-2969. doi: 10.21608/ejabf.2025.449306
et al., M. Intrahepatic- Vascular- Biliary Tract in Hepatopancreas and Liver of Some Teleost Fish in Tigris River (Baghdad, Iraq). Egyptian Journal of Aquatic Biology and Fisheries, 2025; 29(4): 2957-2969. doi: 10.21608/ejabf.2025.449306
Intrahepatic- Vascular- Biliary Tract in Hepatopancreas and Liver of Some Teleost Fish in Tigris River (Baghdad, Iraq)
Variations have been detected in the liver of Barbus luteus. The liver is surrounded by a thin capsule consisting of connective tissue, with no distinction of lobules or interlobular septa. The hepatocyte–sinusoidal structure appears in a tubular form, and the parenchymal tissue consists of polyhedral hepatocytes arranged in layers. The sinusoids are relatively short, narrow, and tortuous. The exocrine pancreatic tissue is disseminated within the liver parenchyma, forming the hepatopancreas, and is also distributed around the digestive tract. The intrahepatic vascular–biliary tract contains pancreatic tissue, forming several distinct patterns: P-VBAT (pancreatic–venous–biliary–arteriolar tract), P-VAT (pancreatic–venous–arteriolar tract), P-VBT (pancreatic–venous–biliary tract), and P-VT (pancreatic–venous tract). In contrast, the hepatocyte–sinusoidal structure of Chondrostoma regium is solid in form, with hepatocytes appearing spherical in shape. Unlike Barbus luteus, the presence of pancreatic tissue has not been observed in this species. Consequently, the intrahepatic vascular–biliary tract forms VBAT (venous–biliary–arteriolar tract), VAT (venous–arteriolar tract), VBT (venous–biliary tract), and VT (venous tract). In conclusion, the histological study of the liver and pancreas of the red barb and king barb in Baghdad revealed distinct structural characteristics of these organs in the two fish species. This research provides valuable insights not only into their economic importance in Iraq but also into their potential use in hepatotoxicity studies.
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