Assertion: bile's bilirubin | /r/HasProperty | pigment
Facets:
Source sentences:
text: Bilirubin ("pigment", "black pigment") stones are small, dark (often appearing black), and usually numerous.
text: Bilirubin is a degradation product of heme compounds from worn-out red blood cells (RBCs) and is the pigment that gives bile its yellow-green color.