hemorrhoidal vein


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Related to hemorrhoidal vein: portal vein
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hemorrhoidal vein - any of several veins draining the walls of the anal canal and rectumhemorrhoidal vein - any of several veins draining the walls of the anal canal and rectum
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"
References in periodicals archive ?
Common, but rarely a serious risk to health, hemorrhoids are the result of too much pressure on the hemorrhoidal veins in the rectum.
But, if the pressure and swelling continue, the hemorrhoidal veins may stretch out of shape, sometimes so much that they bulge through the anus to the outside of the body.
The pressure of the fetus in the abdomen, as well as hormonal changes, cause hemorrhoidal veins to enlarge.