• Gallstones Definition

Definition of Gallstones

Cholelithiasis (another name for Gallstones) is derived from the greek word 'chol'- bile + 'lith'- stones+ 'iaisis'- process. These stones occur within the gallbladder, a pear-shaped sac in the right upper quadrant of abdomen under the liver. Bile is a liquid formed in the gallbladder that aids in digestion of fat and moves from gallbladder to the small intestine through cystic and common bile duct.

Definition of Gallstones

Gallstones differ in size: they can be as minute as a grain of sand or more than an inch. Some individual develop a single gallstone while others may have multiple gallstones at the same time.

Types of Gallstones

  • Cholesterol stones- More than 70% of gallstones are formed from cholesterol. They are very common, appear yellow in colour and are oval in shape
Definition of Gallstones

  • Pigment stones (black or brown) - They usually account for the remaining 30% of stones.
  • Mixed stones- Cholesterol constitutes 20-80% of the composition of these stones and calcium carbonate, palmitate phosphate, bilirubin and other bile pigments make up the remaining portion.
Definition of Gallstones