gallbladder or gall bladder
n.
A small, pear-shaped muscular sac, located under the right lobe of the liver, in which bile secreted by the liver is stored until needed by the body for digestion. Also called cholecyst, cholecystis.
| gallbladder (gôl'blād'ər) Pronunciation Key
A small, pear-shaped muscular sac in most vertebrates in which bile is stored. The gallbladder is located beneath the liver and secretes bile into the duodenum of the small intestine. |