Quick Review Cards for Medical Laboratory Science

Bilirubin Metabolism Clinical Chemistry Review 104

Recticuloendothelial System

RBCs

HGB

Heme

1

iron

1

globin

Blood

Unconjugated (indirect) bilirubin

Portal bloodUrobilinogen

Liver

Intestines

Kidneys

Fecal urobilinogen

1

urobilin

Urine

urobilinogen

Unconjugated

bilirubin

Conjugated

(direct) bilirubin

Glucuronyl transferase Bacteria

Conjugated bilirubin

Urobilinogen

Urobilin

Normal metabolism of bilirubin.