Comprehensive Guide to Liver Disorders

The liver is a central metabolic organ with a highly specialized structure that supports its diverse physiological functions. This book begins by outlining liver anatomy, including lobular organization, cellular composition, and histological features that regulate metabolism, detoxification, and immune responses. Special emphasis is placed on the hepatic microenvironment-hepatocytes, Kupffer cells, stellate cells, and sinusoidal endothelial cells-and their coordinated roles in maintaining homeostasis.The book then examines key mechanisms of liver injury, focusing on oxidative stress, inflammation, and viral infection as common pathogenic pathways. These processes link major etiological factors, including hepatotropic viruses, alcohol consumption, and metabolic disorders such as non-alcoholic fatty liver disease (NAFLD).Finally, it provides an integrated overview of major liver diseases, including viral hepatitis, alcoholic liver disease, NAFLD, and hepatocellular carcinoma. Emphasis is placed on disease progression from early injury to fibrosis, cirrhosis, and ultimately malignant transformation, highlighting the interconnected nature of chronic liver disorders.