Cardinal veins

(redirected from posterior cardinal veins)
Also found in: Medical, Encyclopedia.
(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 ?
The inferior vena cava (IVC) regularly develops according to a complex process which involves three pairs of fetal veins: the posterior cardinal veins, subcardinal veins, and supracardinal veins [5].
Embryologically, the systemic veins of our body develop from the intra-embryonic anterior and posterior cardinal veins, while the portal system develops from the extra-embryonic vitelline and umbilical veins which drain from the yolk sac and the placenta.

Full browser ?