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Right gastric artery: want to learn more about it?

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Right gastric artery

Right gastric artery (Arteria gastrica dextra)

The right gastric artery is a small abdominal vessel that arises from the proper hepatic artery. It runs along the lesser curvature of the stomach giving off several small branches that supply its anterior and posterior aspects.

The artery terminates by anastomosing with the left gastric artery around the angular incisure of the stomach.

This article will discuss the anatomy and function of the right gastric artery.

Key facts about the right gastric artery
Origin Hepatic artery proper
Branches Unnamed collateral branches for the stomach
Supply Lesser curvature, anterior and posterior sides of the stomach 

Course

The right gastric artery usually originates from the proper hepatic artery, after the origin of the gastroduodenal artery. It is situated in the lesser omentum, accompanied by the same-named vein.

The artery runs parallel to the lesser curvature of the stomach where it gives rise to several small branches.

After it passes over the angular incisure, it terminates, directly anastomosing with the left gastric artery

Branches and supply

On its course along the lesser curvature of the stomach, it gives off multiple small branches. These branches provide the blood supply for the lesser curvature of the stomach and its anterior and posterior walls.

Anatomical variations

The right gastric artery has variable sites of origins. Most common sites include: 

  • Proper hepatic artery (40-65%)
  • Left hepatic artery (15-25%)
  • Gastroduodenal artery (5-25%)

In some cases, if the right gastric artery forms indirect anastomoses with the left gastric artery; their branches form an anastomotic network in the submucosal layer of the stomach. Learn more about the arteries of the stomach, liver and spleen with our articles, videos, labeled diagrams and quizzes.

Right gastric artery: want to learn more about it?

Our engaging videos, interactive quizzes, in-depth articles and HD atlas are here to get you top results faster.

What do you prefer to learn with?

“I would honestly say that Kenhub cut my study time in half.” – Read more. Kim Bengochea Kim Bengochea, Regis University, Denver

Show references

References:

  • Moore, K. L., Dalley, A. F., & Agur, A. M. R. (2014). Clinically Oriented Anatomy (7th ed.). Philadelphia, PA: Lippincott Williams & Wilkins.
  • Netter, F. (2019). Atlas of Human Anatomy (7th ed.). Philadelphia, PA: Saunders.
  • Standring, S. (2016). Gray's Anatomy (41tst ed.). Edinburgh: Elsevier Churchill Livingstone.
  • Tubbs, R. S., Shoja, M. M., Loukas, M., & Bergman, R. A. (2016). Bergman’s comprehensive encyclopedia of human anatomic variation. Hoboken: Wiley Blackwell.

Illustrators:

  • Right gastric artery (Arteria gastrica dextra) - Irina Münstermann
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