The first part of the duodenum forms which border of the epiploic foramen?

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Multiple Choice

The first part of the duodenum forms which border of the epiploic foramen?

Explanation:
The epiploic (omental) foramen is the doorway between the greater and lesser sacs, and its borders are set by adjacent peritoneal structures. The anterior boundary contains the hepatoduodenal ligament with the portal triad, the superior boundary is the caudate lobe of the liver, the posterior boundary is the IVC (with the right crus of the diaphragm), and the inferior boundary is formed by the first part of the duodenum. So the first part of the duodenum defines the inferior border of the foramen.

The epiploic (omental) foramen is the doorway between the greater and lesser sacs, and its borders are set by adjacent peritoneal structures. The anterior boundary contains the hepatoduodenal ligament with the portal triad, the superior boundary is the caudate lobe of the liver, the posterior boundary is the IVC (with the right crus of the diaphragm), and the inferior boundary is formed by the first part of the duodenum. So the first part of the duodenum defines the inferior border of the foramen.

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