Synonym for ileocolic vein ... <anatomy, vein> A large tributary of the superior mesenteric vein that runs parallel to the ileocolic artery and drains the terminal ileum, appendix, caecum, and the lower part of the ascending colon. ... Synonym: vena ileocolica. ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973