Inferior mesenteric vein
Inferior Mesenteric Vein
The Inferior Mesenteric Vein (IMV) (/ɪnˈfɪər.i.ər mɛsɛnˈtɛrɪk veɪn/), is a significant vein in the human anatomy that drains blood from the lower part of the large intestine and the rectum. The term originates from the Latin words 'inferior' meaning 'lower', 'mesenteric' derived from 'mesenterium' meaning 'middle intestine', and 'vein' from 'vena'.
Structure
The Inferior Mesenteric Vein begins in the rectum as the superior rectal vein. It ascends and receives tributaries from the sigmoid veins and the left colic vein. It then continues upward to join the splenic vein or the superior mesenteric vein to form the hepatic portal vein.
Function
The primary function of the Inferior Mesenteric Vein is to drain deoxygenated blood and waste products from the lower part of the large intestine and the rectum. This blood is then transported to the liver for detoxification before being returned to the heart.
Clinical Significance
The Inferior Mesenteric Vein can be affected by various medical conditions such as thrombosis, varices, and ischemic colitis. Understanding the anatomy and function of the IMV is crucial in the diagnosis and treatment of these conditions.
Related Terms
- Superior Mesenteric Vein
- Hepatic Portal Vein
- Large Intestine
- Rectum
- Thrombosis
- Varices
- Ischemic Colitis
See Also
External links
- Medical encyclopedia article on Inferior mesenteric vein
- Wikipedia's article - Inferior mesenteric vein
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