cardinal vein

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Noun1.cardinal vein - any of the major venous channels in primitive adult vertebrates and in embryos of higher vertebrates
anterior cardinal vein - a major drainage channel from the cephalic part of the body
posterior cardinal vein - a major drainage channel from the caudal part of the body
common cardinal vein - the major return channels to the heart; formed by anastomosis of the anterior and posterior cardinal veins
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 ?
3 The failure of regression of left cardinal vein during embryological development4 is the main etiology behind the defect.
First the posterior cardinal vein appears, but regresses completely except the distal part which forms the iliac bifurcation.