Ligamentum venosum
Encyclopedia
The ligamentum venosum is the fibrous remnant of the ductus venosus
of the fetal circulation
. Usually, it is attached to the left branch of the portal vein within the porta hepatis (gateway to the liver
). It may be continuous with the round ligament of liver
(ligamentum teres hepatis).
It is invested by the peritoneal folds of the lesser omentum
within a fissure on the inferior surface of the liver between the caudate and main parts of the left lobe.
It is grouped with the liver
in Terminologia Anatomica
.
Ductus venosus
In the fetus, the ductus venosus shunts approximately half of the blood flow of the umbilical vein directly to the inferior vena cava. Thus, it allows oxygenated blood from the placenta to bypass the liver. In conjunction with the other fetal shunts, the foramen ovale and ductus arteriosus, it...
of the fetal circulation
Fetal circulation
The fetal circulation is the circulatory system of a human fetus, often encompassing the entire fetoplacental circulation that also includes the umbilical cord and the blood vessels within the placenta that carry fetal blood....
. Usually, it is attached to the left branch of the portal vein within the porta hepatis (gateway to the liver
Liver
The liver is a vital organ present in vertebrates and some other animals. It has a wide range of functions, including detoxification, protein synthesis, and production of biochemicals necessary for digestion...
). It may be continuous with the round ligament of liver
Round ligament of liver
In anatomy, the round ligament of liver is a degenerative string of tissue that exists in the free edge of the falciform ligament of the liver...
(ligamentum teres hepatis).
It is invested by the peritoneal folds of the lesser omentum
Lesser omentum
The lesser omentum is the double layer of peritoneum that extends from the liver to the lesser curvature of the stomach and the start of the duodenum.- Structure :...
within a fissure on the inferior surface of the liver between the caudate and main parts of the left lobe.
It is grouped with the liver
Liver
The liver is a vital organ present in vertebrates and some other animals. It has a wide range of functions, including detoxification, protein synthesis, and production of biochemicals necessary for digestion...
in Terminologia Anatomica
Terminologia Anatomica
Terminologia Anatomica is the international standard on human anatomic terminology. It was developed by the Federative Committee on Anatomical Terminology and the International Federation of Associations of Anatomists and was released in 1998. It supersedes the previous standard, Nomina...
.