cardinal veins

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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 lowest part of right posterior cardinal vein (Sacral segment).
During early development, veins draining the body wall open initially into the posterior cardinal veins.
During the 5th to 7th week, paired longitudinal channels, the subcardinal and the supracardinal veins appear by the sides of the posterior cardinal veins.

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