Porphyrin excreted by the liver.
A substance normally excreted in urine in minute amounts; excretion is elevated in liver and certain metabolic diseases.
A porphyrin compound that is formed during the synthesis of protoporphyrin IX, a precursor of heme. Coproporphyrin is excreted in the feces during the process of red blood cell formation.
A porphyrin present in urine and feces. Coproporphyrins I and II are normally present in minute and equal amounts, but quantities are altered in certain diseases such as poliomyelitis and in infectious hepatitis and lead poisoning.