bile pigment造句怎么写

The progress of the optical activity and stereochemistry of bile pigments in recent20 years is reviewed.

an abnormal accumulation of bile pigment in the brain and other nerve tissue; causes yellow staining and tissue damage.

Bacteria or bile pigment may serve as a nidus for crystal formation.

A small, hard, pathological concretion, composed chiefly of cholesterol, calcium salts, and bile pigments, formed in the gallbladder or in a bile duct.