<Tr> <Th> FMA </Th> <Td> 7202 </Td> </Tr> <Tr> <Td_colspan="2"> Anatomical terminology (edit on Wikidata) </Td> </Tr> <P> In vertebrates, the gallbladder is a small hollow organ where bile is stored and concentrated before it is released into the small intestine . In humans, it lies beneath the liver, although the structure and position of the gallbladder can vary significantly among animal species . It receives and stores bile, produced by the liver, via the common hepatic duct, and releases it via the common bile duct into the duodenum, where the bile helps in the digestion of fats . </P> <P> The gallbladder can be affected by gallstones, formed by material that cannot be dissolved--usually cholesterol or bilirubin, a product of haemoglobin breakdown . These may cause significant pain, particularly in the right upper corner of the abdomen, and are often treated with removal of the gallbladder called a cholecystectomy . Cholecystitis, inflammation of the gallbladder, has a wide range of causes, including result from the impaction of gallstones, infection, and autoimmune disease . </P>

Where is the gallbladder located and what is its function
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