A pediatric surgeon is resecting a possible malignant mass from the liver of a neonate with cerebral palsy. The surgeon divides the round ligament of the liver during surgery. A fibrous remnant of which of the following fetal vessels is severed?
The left umbilical vein becomes the round ligament of the liver after bih. The right umbilical vein did not leave a fibrous remnant because it was degenerated during the early embryonic period. The ductus venosus forms the ligamentum venosum; the ductus aeriosus forms the ligamentum aeriosum; Umbilical aery forms the medial umbilical ligament.
Ductus venosus
Ductus aeriosus
Left umbilical vein
Right umbilical vein
Liver