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Inferior Pancreaticoduodenal Artery
Cardiovascular System

Inferior Pancreaticoduodenal Artery

Arteria pancreaticoduodenalis inferior

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Quick Facts

Origin: Superior mesenteric artery.

Course: Passes to the right onto the posterior aspect of the uncinate process of the pancreas.

Branches: Anterior and posterior inferior pancreaticoduodenal arteries.

Supplied Structures: Uncinate process and inferior portion of the head of the pancreas, second and third parts of the duodenum.

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Origin

The inferior pancreaticoduodenal artery arises as the first branch of the superior mesenteric artery

Course

The inferior pancreaticoduodenal artery passes to the right to the posterior surface of the uncinate process of the pancreas.

Branches

The inferior pancreaticoduodenal artery gives rise to anterior and posterior inferior pancreaticoduodenal arteries.

Supplied Structures

The inferior pancreaticoduodenal artery supplies the uncinate process and inferior portion of the head of the pancreas. It also supplies the second and third parts (or descending and horizontal parts) of the duodenum.

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Artery

ScienceDirect image

When the artery is occluded blood is forced through the collateral vessels, drastically increasing fluid shear stress and triggering an inflammatory response which drives vessel remodeling.

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