Ileal vessels

Ileal vessels are a group of blood vessels that supply the ileum, the third and longest part of the small intestine. They are part of the mesenteric circulation, which is responsible for supplying the digestive system with blood.

Etymology

The term "ileal" is derived from the Latin word "ileum", which means "groin" or "flank". This is likely due to the location of the ileum in the lower part of the abdomen. The term "vessels" is derived from the Latin word "vas", which means "container" or "duct".

Anatomy

The ileal vessels consist of the ileal arteries and the ileal veins. The ileal arteries are branches of the superior mesenteric artery, while the ileal veins drain into the superior mesenteric vein. These vessels run in the mesentery of the ileum, a fold of the peritoneum that attaches the small intestine to the posterior wall of the abdomen.

Function

The primary function of the ileal vessels is to supply the ileum with oxygenated blood and nutrients, and to remove waste products. The ileum is responsible for the absorption of vitamin B12, bile salts, and any remaining nutrients not absorbed by the jejunum.

Clinical significance

Diseases or conditions that affect the ileal vessels can lead to serious health problems. For example, ischemia of the ileum can occur if the blood supply to the ileum is reduced or blocked, leading to tissue damage or death. This can be caused by conditions such as atherosclerosis, thrombosis, or embolism.

See also

• Ileum
• Superior mesenteric artery
• Superior mesenteric vein
• Mesentery
• Peritoneum

References

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