Quick Facts
Origin: Gastroduodenal artery.
Course: Passes from right to left along the greater curvature of the stomach, between the layers of peritoneum that make up the anterior sheet of the greater omentum.
Branches: Gastric and omental branches; Anastomoses with the left gastroepiploic artery.
Supplied Structures: A portion of the proximal duodenum, stomach (greater curvature and adjacent regions), and greater omentum.
Origin
The right gastroomental artery arises from the gastroduodenal artery, usually posterior to the first part of the duodenum near its inferior margin.
Course
Initially, the right gastroomental artery passes inferiorly and to the left just inferior to the pylorus to about the midline. Eventually it follows an arc defined by, and offset 2–3 cm from, the greater curvature of the stomach. It is located between the layers of peritoneum that make up the anterior sheet of the greater omentum.
Branches
During its course, the right gastroomental artery gives off several gastric branches, including a subset of pyloric arteries, and omental (epiploic) branches. It terminates by anastomosing with the left gastroomental artery.
Supplied Structures
The right gastroomental artery supplies portions of the first and some of the second parts of the duodenum. It also supplies the inferior aspect of the pylorus, antrum, and body of the stomach along the greater curvature, as well as the greater omentum.
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Artery
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