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The ligamentum venosum courses along the visceral/posterior aspect of the liver in the fossa for ductus venosum, which separates the caudate lobe and the left lobe. Fetal circulation. The ductus venosus (red), which becomes the ligamentum venosum , connects the umbilical vein to the inferior vena cava .
The round ligament of the liver, ligamentum teres or ligamentum teres hepatis is a ligament that forms part of the free edge of the falciform ligament of the liver. It connects the liver to the umbilicus. It is the remnant of the left umbilical vein. The round ligament divides the left part of the liver into medial and lateral sections.
Within a week of birth, the neonate's umbilical vein is obliterated and is replaced by a fibrous cord called the round ligament of the liver (also called ligamentum teres hepatis). It extends from the umbilicus to the transverse fissure, where it joins with the falciform ligament of the liver to separate segment 4 from segments 2 and 3 of the ...
The quadrate lobe is an area of the liver situated on the undersurface of the medial segment left lobe (Couinaud segment IVb), bounded in front by the anterior margin of the liver, behind by the porta hepatis, on the right by the fossa for the gall-bladder, and on the left by the fossa for the umbilical vein.
In human anatomy, the falciform ligament (from Latin 'sickle-shaped') is a ligament that attaches the liver to the front body wall and divides the liver into the left lobe and right lobe. [1] The falciform ligament is a broad and thin fold of peritoneum, its base being directed downward and backward and its apex upward and forward.
The umbilical cord enters the fetus via the abdomen, at the point which (after separation) will become the umbilicus (belly button or navel). Within the fetus, the umbilical vein continues towards the transverse fissure of the liver, where it splits into two.
The left hepatic vein usually drains liver segments II and III, and occasionally also segment IV. The umbilical fissue vein is a major tributary of the left hepatic vein. [1]: 1213 The left hepatic vein most often forms a short common trunk with the middle hepatic vein before these jointly drain into the inferior vena cava. [1]: 1212
The pathway of fetal umbilical venous flow is umbilical vein left portal vein ductus venosus inferior vena cava eventually right atrium.. This anatomic course is important to recall when assessing the success of neonatal umbilical venous catheterization, as failure to cannulate through the ductus venosus results in malpositioned hepatic catheterization via the left or right portal veins.
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