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Gallbladder. In vertebrates, the gallbladder, also known as the cholecyst, is a small hollow organ where bile is stored and concentrated before it is released into the small intestine. In humans, the pear-shaped gallbladder lies beneath the liver, although the structure and position of the gallbladder can vary significantly among animal species.
Bile (from Latin bilis), or gall, is a yellow-green fluid produced by the liver of most vertebrates that aids the digestion of lipids in the small intestine. In humans, bile is primarily composed of water, produced continuously by the liver, and stored and concentrated in the gallbladder. After a human eats, this stored bile is discharged into ...
Biliary tract. The biliary tract (also biliary tree or biliary system) refers to the liver, gallbladder and bile ducts, and how they work together to make, store and secrete bile. [1] Bile consists of water, electrolytes, bile acids, cholesterol, phospholipids and conjugated bilirubin. [2] Some components are synthesized by hepatocytes (liver ...
Gallbladder stones (aka gallstones): A gallstone is a small pebble-like mixture of bile, cholesterol, and calcium. These stones can block bile ducts or interfere with gallbladder function.
A gallstone is a stone formed within the gallbladder from precipitated bile components. [2] The term cholelithiasis may refer to the presence of gallstones or to any disease caused by gallstones, [5] and choledocholithiasis refers to the presence of migrated gallstones within bile ducts. Most people with gallstones (about 80%) are asymptomatic ...
Gallbladder hepatization, which is biliary sludge filling the entire gallbladder, giving it an echogenicity similar to the liver (seen at left). The patient had a stone in the cystic duct. Biliary sludge is typically diagnosed by CT scan or transabdominal ultrasonography. [1][2] Endoscopic ultrasonography is another more sensitive option.
Gastroenterology. Common bile duct stone, also known as choledocholithiasis, is the presence of gallstones in the common bile duct (CBD) (thus choledocho- + lithiasis). This condition can cause jaundice and liver cell damage. Treatments include choledocholithotomy and endoscopic retrograde cholangiopancreatography (ERCP).
A bile duct is any of a number of long tube-like structures that carry bile, and is present in most vertebrates. The bile duct is separated into three main parts: the fundus (superior), the body (middle), and the neck (inferior). Bile is required for the digestion of food and is secreted by the liver into passages that carry bile toward the ...