The liver is the only solid organ that can lose two thirds of itself and regrow the mass within weeks, which is what makes living-donor transplants possible. Inside each hexagonal lobule, gut blood arrives through the portal vein and threads the sinusoids while hepatocytes turn ammonia into urea and secrete 0.5 to 1 litre of bile a day. Cirrhosis lets scar tissue carve the organ into nodules, damming both blood and bile; jaundice is bilirubin building up and staining the sclera yellow.
The liver is the only solid organ that can lose two thirds of itself and regrow the mass within weeks, which is what makes living-donor transplants possible. Inside each hexagonal lobule, gut blood arrives through the portal vein and threads the sinusoids while hepatocytes turn ammonia into urea and secrete 0.5 to 1 litre of bile a day. Cirrhosis lets scar tissue carve the organ into nodules, damming both blood and bile; jaundice is bilirubin building up and staining the sclera yellow.
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