The gallbladder concentrates and stores bile as a pear-shaped sac which it can release to help digestion after a fatty meal.
The yellowish brown or green fluid secreted by the liver and discharged into the duodenum where it aids in the emulsification of fats, increases peristalsis, and retard putrefaction; contains sodium glycocholate and sodium taurocholate, cholesterol, biliverdin and bilirubin