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Round ligament of liver

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Title: Round ligament of liver  
Author: World Heritage Encyclopedia
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Subject: Right lobe of liver, Falciform ligament, Ligamentum venosum, Liver, Peritoneum
Collection: Hepatology, Ligaments of the Torso
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Round ligament of liver

Round ligament of liver
Inferior surface of the liver. (Round ligament labeled at bottom.)
Details
Latin ligamentum teres hepatis
Precursor left umbilical vein
Dorlands
/Elsevier
l_09/12493344
Anatomical terminology

In anatomy, the round ligament of (the) liver (also commonly known by its Latin name, ligamentum teres - or more specifically ligamentum teres hepatis) is a degenerative string of tissue that exists in the free edge of the falciform ligament of the liver. Anatomically, the round ligament divides the left part of the liver into medial and lateral sections.

The round ligament represents the remnant of the fetal umbilical vein. The round ligament therefore only exists in mammals. Prenatally and for a month or two after birth, the umbilical vein is patent, subsequently degenerating to fibrous tissue, the round ligament.

In adult-hood, there remains small paraumbilical veins in the substance of the ligament, which act as an important portacaval anastomosis in severe portal hypertension, resulting in a caput medusae presentation.

The umbilical vein/round ligament inserts around the umbilicus and is an important landmark of the inner surface of the anterior abdominal wall.

Additional Images

External links

  • 617611323 at GPnotebook
  • Anatomy photo:38:12-0106 at the SUNY Downstate Medical Center - "Stomach, Spleen and Liver: The Visceral Surface of the Liver"
  • Anatomy image:7819 at the SUNY Downstate Medical Center
  • Overview at ucc.edu
  • Illustration of Liver Anatomy including ligaments and structures
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