maksa poolt kaksteistsõrmikusse eritatav seedenõre, mis sisaldab sapipigmente (mh. hemoglobiini ainevahetusprodukte), kolesterooli ning rasvade imendumist soodustavaid sapphappeid
a fluid secreted by the liver and poured into the small intestine via the bile ducts. Important constituents are conjugated bile salts, cholesterol, phospholipid, bilirubin, diglucuronide, and electrolytes.