Quick Facts
Origin: Splenic artery.
Course: Passes deep to the parietal peritoneum of the omental bursa and onto the posterior surface of the stomach.
Branches: None.
Supplied Structures: Posterosuperior surface of the body of the stomach.
Origin
The origin of the posterior gastric artery is variable, but usually arises from the middle third of the splenic artery, posterior to the body of the stomach. It may also arise from the left gastric artery or even the celiac trunk (Loukas et al., 2007).
Course
The posterior gastric artery passes retroperitoneal deep to the posterior wall of the omental bursa to the posterosuperior region of the stomach.
Branches
There are no named branches.
Supplied Structures
The posterior gastric artery supplies the posterior and superior portion of the body of the stomach, close to its border with the cardia and fundus.
References
Loukas, M., Wartmann, C. T., Louis, R. G., Tubbs, R. S., Ona, M., Curry, B., Jordan, R. and Colborn, G. L. (2007) 'The clinical anatomy of the posterior gastric artery revisited', Surg Radiol Anat, 29(5), pp. 361-6.
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Gastric Artery
The right gastric artery is found between the two layers of the lesser omentum and runs along the lesser curvature of the stomach before dividing into two branches that anastomose with the branches of the left gastric artery.
