cardinal veins


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Related to cardinal veins: common cardinal vein, posterior cardinal vein

car·di·nal veins

, posterior cardinal veinscommon cardinal veinsanterior cardinal veins
the major systemic venous channels in adult primitive vertebrates and in the embryos of higher vertebrates; the anterior cardinal veins are the major drainage channels from the cephalic part of the body, and the posterior cardinal veins, from the caudal part; the common cardinal veins, formed by the anastomosis of the anterior and posterior cardinal veins, are the main systemic return channels to the heart; in the older literature, sometimes called Cuvier ducts.

car·di·nal veins

(kahr'di-năl vānz)
The major systemic venous channels in adult primitive vertebrates and in the embryos of higher vertebrates; the anterior cardinal veins are the major drainage channels from the cephalic part of the body, and the posterior cardinal veins, from the caudal part; the common cardinal veins, formed by the anastomosis of the anterior and posterior cardinal veins, are the main systemic return channels to the heart.
References in periodicals archive ?
The renal segment of the IVC is formed by the confluence of these two systems, that is, suprasubcardinal and postsubcardinal anastomoses, named renal collar, which is followed by the atrophy of the posterior cardinal veins.
Duplication of IVC arises as a result of the persistence of the right and left supra cardinal and sub cardinal veins (2).
It is formed between the sixth and eighth weeks of embryonic development via a series of anastomoses and regressions of the following primitive trunk veins: posterior cardinal veins, subcardinal veins and supra cardinal veins.