What is the function of gall bladder in the body?

Gallbladder is a pear shaped pouch like structure situated below the liver and stores bile which is secreted by the liver and pumps bile into the intestine for the digestion of food.

What are Gallstones?

Gallstones are pieces of solid material that form in the gallbladder. These stones develop because cholesterol and pigments in bile sometimes form hard particles.

Two types of gallstones are:
1. Cholesterol Stones:

Usually yellow-green in color, approximately 80% of gallstones are cholesterol stones.

2. Pigment Stones:

These stones are smaller and darker and are made up of bilirubin.