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Ileocolic Vein
Cardiovascular System

Ileocolic Vein

Vena ileocolica

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Quick Facts

Origin: Junction of the ileum and cecum.

Course: Travels obliquely from the ileocecal junction to drain into the superior mesenteric vein.

Tributaries: Appendicular and cecal veins.

Drainage: Distal ileum, cecum, appendix, and proximal ascending colon.

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The ileocolic vein originates adjacent to the ileocolic artery near the surface of the ileum.


The appendicular and cecal veins merge to form the ileocolic vein. The ileocolic vein travels obliquely from the lower right quadrant of the abdomen, superiorly and medially towards to the midline of the body. The ileocolic vein drains directly into the superior mesenteric vein.


The ileocolic vein receives the appendicular and cecal veins.

Structures Drained

The ileocolic vein drains the distal ileum, appendix, cecum, and proximal ascending colon.

List of Clinical Correlates

- Appendectomy


Standring, S. (2016) Gray's Anatomy: The Anatomical Basis of Clinical Practice. Gray's Anatomy Series 41 edn.: Elsevier Limited.

Learn more about this topic from other Elsevier products


ScienceDirect image

Vein is a secreted ligand for the Drosophila EGFR receptor homolog (EGFR), and EGFR-mediated activation of the Ras/MAP kinase pathway is essential for longitduinal glial cell survival (Hidalgo et al., 2001).

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Complete Anatomy

The world's most advanced 3D anatomy platform

Complete Anatomy