With extravascular hemolysis, we have macrophages eating up red blood cells more than normal and unconjugated bilirubin production is ramped up, which is conjugated by the liver and sent to the gallbladder.

血管外溶血时，巨噬细胞吞噬红细胞，较正常时更多，进而加速了非结合胆红素的产生，非结合胆红素在肝脏转变为结合胆红素，并输送至胆囊。