Gallbladder

Definition

The gallbladder is a small, pear-shaped organ located beneath the liver. It stores and concentrates bile produced by the liver until it's needed for digestion in the small intestine.

5 Must Know Facts For Your Next Test

1. The primary function of the gallbladder is to store bile, which helps in the emulsification and digestion of fats.
2. Bile stored in the gallbladder is released into the small intestine through the bile ducts when food containing fat enters the digestive tract.
3. Gallstones can form in the gallbladder from substances in bile and can cause pain and blockages.
4. Cholecystectomy is a common surgical procedure to remove the gallbladder, often due to gallstones or inflammation.
5. The release of bile from the gallbladder is regulated by hormonal signals, particularly cholecystokinin (CCK).

Review Questions

Related terms

Liver:

A large organ that produces bile, processes nutrients, and detoxifies harmful substances.

Bile:

A digestive fluid produced by the liver that helps in breaking down fats.

Cholecystokinin (CCK): A hormone that stimulates the contraction of the gallbladder to release bile into the small intestine.