Left colic vein

Left Colic Vein

The Left Colic Vein is a significant vein in the human body that drains the descending colon and the sigmoid colon. It is a part of the portal venous system, which carries blood from the gastrointestinal tract and spleen to the liver.

Etymology

The term "colic" is derived from the Greek word "kolikos," referring to the colon. The "left" in its name indicates its location on the left side of the body.

Anatomy

The Left Colic Vein typically drains into the inferior mesenteric vein, but variations can occur. It is located in the abdominal region, specifically in the mesocolon, a part of the mesentery that attaches the colon to the posterior abdominal wall.

Function

The primary function of the Left Colic Vein is to drain deoxygenated blood and various waste products from the descending and sigmoid colon. This blood is then transported to the liver for detoxification and processing.

Clinical Significance

The Left Colic Vein, like other veins in the portal venous system, can be affected by various medical conditions. These include portal hypertension, which can lead to esophageal varices and hemorrhoids. It can also be involved in ischemic colitis, a condition caused by reduced blood flow to the colon.

Related Terms

• Portal vein
• Hepatic portal system
• Inferior mesenteric vein
• Descending colon
• Sigmoid colon

Left colic vein Resources
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