sigmoid vein


Also found in: Thesaurus, Medical.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sigmoid vein - tributaries of the inferior mesenteric vein; drains the sigmoid colon
vein, vena, venous blood vessel - a blood vessel that carries blood from the capillaries toward the heart; "all veins except the pulmonary vein carry unaerated blood"
colon - the part of the large intestine between the cecum and the rectum; it extracts moisture from food residues before they are excreted
Mentioned in ?