Cardinal veins

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Related to Cardinal veins: common cardinal vein, posterior cardinal vein
(Anat.) the veins in vertebrate embryos, which run each side of the vertebral column and returm the blood to the heart. They remain through life in some fishes.

See also: Cardinal

References in periodicals archive ?
With the exception that the cardinal veins on the right and the left side drain into the right atrium, the cardinal venous system is bilaterally symmetrical at this stage.
Duplication of IVC arises as a result of the persistence of the right and left supra cardinal and sub cardinal veins (2).