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A yellowish-green fluid produced by liver cells and stored in the gall bladder. It is released into the duodenum after a meal. The main components of bile are water, bile acids, bile pigments, and cholesterol. Bile acids act as emulsifying agents in the digestion and absorption of fats, and also aid digestion of vitamins A, D, E, and K. Cholesterol and bile pigments from the breakdown of hemoglobin are excreted from the body in the bile.

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Source: National Cancer Institute