The Hepatic Fetal Venous System

Author:

Gabriel Iliescu Dominic,Zorila George-Lucian,Cristina Dragusin Roxana,Cristian Marinas Marius,Cristina Comanescu Maria,Cristian Comanescu Alexandru,Razvan Cosmin Pana,Costinel Sîrbu Ovidiu,Catalina Vrabie Sidonia,Maria Sandulescu Sidonia,Daniela Nagy Rodica

Abstract

The vascular architecture of the human liver is established at the end of the 10th week of gestation as a result of a complex process. Recent developments in ultrasonographic imaging facilitate the prenatal evaluation of this system. However, many of the involved mechanisms are poorly understood. The hepatic primordium is in contact with the vitelline veins and the umbilical veins, and by the end of the 6th week, the afferent venous system of the liver is acquired giving rise to the portal vein, the portal sinus, and the ductus venosus. The only afferent vein of the liver that remains open at birth is the portal vein. Also, the efferent venous system of the liver is formed and emerges from the vitelline veins.

Publisher

IntechOpen

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