• 1 January 1977
    • journal article
    • case report
    • Vol. 142  (3) , 175-9
Abstract
A vasal anomaly in the region of the Vena cava inferior is being described in the corpse of a 25-year-old man. 1. In the course of development the V. subcardinalis has not been joined to the Pars hepatica of the V. cava inferior, which originates from the V. hepatis revehens communis. In our case the Anastomosis intersubcardinalis remains and is subjected to a slight retroaortal displacement to the left. 2. Among the Vv. sacrocardinales the V. sacrocardinalis sinistra, which ought to involute after the sixth embryonal week, has been retained together with the Anastomosis intersacrocardinalis. 3. The Vv. supracardinales are connected with the intersubcardinal anastomosis and the intersupracardinal transversal anastomosis has been retained. 4. The Vv. caudales end in the Anastomosis sacrocardinalis at a point before the Sacrum and the Anastomosis intercaudalis has been retained, too. 5. The caudal section of the right lower cardinal vein in its prerenal part is retained with an anastomosis to the right subcardinal vein. 6. The portal blood of the liver is directly distributed to the atrium dextrum after it has passed through three Vv. hepaticae. The Lig. venosum is intrahepatic and is joined to the Vv. hepaticae. 7. The primitive bilateral-symmetric veinous system of the caudal half of the body continues to exist almost completely.

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