Cystic vein

Gray591.png

Cystic vein

The cystic vein is a blood vessel that drains blood from the gallbladder. It is an important component of the hepatic portal system, which is responsible for directing blood from parts of the gastrointestinal tract to the liver.

Anatomy

The cystic vein typically arises from the gallbladder and drains into the portal vein or one of its tributaries, such as the right branch of the portal vein. The exact anatomical course of the cystic vein can vary among individuals. In some cases, it may drain directly into the liver.

Function

The primary function of the cystic vein is to transport deoxygenated blood from the gallbladder to the liver. This blood contains nutrients and other substances absorbed from the bile produced by the gallbladder. The liver then processes these substances, detoxifies harmful compounds, and regulates various metabolic processes.

Clinical Significance

Understanding the anatomy of the cystic vein is crucial during cholecystectomy, a surgical procedure to remove the gallbladder. Injury to the cystic vein during this procedure can lead to significant bleeding and other complications. Additionally, conditions such as portal hypertension can affect the cystic vein, leading to potential complications in the gallbladder and liver.

Related Structures

• Gallbladder
• Portal vein
• Hepatic portal system
• Liver
• Bile duct

See Also

• Cholecystectomy
• Portal hypertension
• Hepatic veins
• Biliary system