Bile, a substance manufactured in the liver, is used by the body to digest fats and absorb them into the bloodstream. It is stored in the organ known as the gallbladder.
Located just below the liver, the gallbladder appears like a deflated balloon after a meal. Before meals, bile blows the gallbladder up, which then looks like a pear.
Nerves signal the gallbladder whenever the body needs bile. The bile then drains through ducts onwards to the small intestine.
Gallbladder diseases and conditions
Due to unknown causes, bile can solidify in the gallbladder, creating gallstones (cholelithiasis). Fortunately, gallstones are not always harmful.