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Umbilical Part of Left Branch of Hepatic Portal Vein
Cardiovascular System

Umbilical Part of Left Branch of Hepatic Portal Vein

Pars umbilicalis rami sinistri venae portae hepatis

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Quick Facts

Origin: Portion of the left branch of the hepatic portal vein distal to the connection of the ligamentum venosum

Course: Provides main branches for liver segments II, III, and IV.

Branches: Segment II, III, IV, and I veins.

Supplied Structures: Left half of the liver.

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Origin

The umbilical part of the left branch of the hepatic portal vein is the segment of the left hepatic portal vein distal to the area that the ligamentum venosum (left umbilical vein) merges.

Course

The umbilical part of the left branch of the hepatic portal vein continues throughout the left portion of the liver.

Branches

The umbilical part of the left branch of the hepatic portal vein provides segmental branches to II, III, and IV of the liver. It may also give a branch to segment I of the liver. These branches continue to branch into smaller venous branches, which ultimately terminate as portal venules. These portal venules drain into the hepatic sinusoids.

Supplied Structures

The umbilical part of the left branch of the hepatic portal vein supplies nutrient-rich venous blood from the digestive tract.

List of Clinical Correlates

- Hepatic resection

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Hepatic Portal Vein

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Hepatic PV carries venous blood from the spleen and gastrointestinal tract to the liver.

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