ileocolic vein

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il·e·o·co·lic vein

a large tributary of the superior mesenteric vein that runs parallel to the ileocolic artery and drains the terminal ileum, appendix, cecum, and the lower part of the ascending colon.
Synonym(s): vena ileocolica [TA]
Farlex Partner Medical Dictionary © Farlex 2012

il·e·al or·i·fice

(il'ē-ăl ōr'i-fis) [TA]
The opening of the terminal ileum into the large intestine at the transition between the cecum and the ascending colon.
Synonym(s): ileocecal valve, ileocolic valve, ileocolic vein, ostium ileale.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012