Common bile duct
Common Bile Duct
The Common Bile Duct (CBD), pronounced as /ˈkɒmən baɪl dʌkt/, is a structure in the human body that carries bile from the liver and gallbladder into the duodenum. The term originates from the Latin words 'communis' meaning 'common', 'bilis' meaning 'bile', and 'ductus' meaning 'leading'.
Anatomy
The Common Bile Duct is formed by the union of the Cystic Duct and the Hepatic Duct. It is approximately 7-10 cm long and 6 mm in diameter. It descends within the free edge of the Lesser Omentum and passes posterior to the first part of the Duodenum and the head of the Pancreas.
Function
The primary function of the Common Bile Duct is to transport bile, a fluid produced by the liver, from the Gallbladder and Liver to the Duodenum, the first part of the small intestine. Bile aids in the digestion and absorption of fats.
Related Terms
- Bile: A bitter, alkaline, yellow or greenish liquid, secreted by the liver, that aids in absorption and digestion, especially of fats.
- Gallbladder: A small, pear-shaped organ located just below the liver. It stores bile.
- Liver: A large lobed glandular organ in the abdomen, involved in many metabolic processes.
- Duodenum: The first part of the small intestine immediately beyond the stomach.
- Pancreas: A large gland behind the stomach that secretes digestive enzymes into the duodenum.
- Hepatic Duct: The duct that drains bile from the liver.
- Cystic Duct: The duct that connects the gallbladder to the common bile duct.
- Lesser Omentum: A double layer of peritoneum that extends from the liver to the lesser curvature of the stomach and the start of the duodenum.
External links
- Medical encyclopedia article on Common bile duct
- Wikipedia's article - Common bile duct
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