posterior cardinal vein

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Noun1.posterior cardinal vein - a major drainage channel from the caudal part of the body
cardinal vein - any of the major venous channels in primitive adult vertebrates and in embryos of higher vertebrates
References in periodicals archive ?
First the posterior cardinal vein appears, but regresses completely except the distal part which forms the iliac bifurcation.
This anomally results from the atrophy failure of the posterior cardinal vein during development of the infarenal vena cava and leads to upper tract stasis and "S" or "fishhook" deformity of the ureter.
During normal development, the anterior cardinal veins, which drain the head, neck, and arm, unite with the posterior cardinal vein in the very early embryonic stage and enter the heart as the right and left horns of the sinus venosus.

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