What makes up the celiac axis

It arises from the abdominal aorta and commonly gives rise to three branches: left gastric artery , splenic artery , and common hepatic artery. Arises anteriorly from abdominal aorta just below diaphragm at the T12 level, behind the median arcuate ligament, just as the aorta enters the abdomen in between right and left crura.

It is typically a short vessel that passes underneath the median arcuate ligament, often indented on its superior surface by this ligament, and then courses anteriorly or slightly anterolaterally in the lesser sac.

It is surrounded by celiac lymph nodes and the celiac plexus. At the upper border of the pancreas, it divides into three branches: left gastric, splenic, and common hepatic arteries.

The left gastric artery is usually the first branch, after which the celiac artery bifurcates into the splenic artery coursing to the left and the common hepatic artery coursing to the right. The celiac artery supplies the foregut, which is defined by the following structures 6 :.

In general, any of the three celiac branches may arise independently from the aorta or SMA, or the celiac artery may give rise to other branches. A celiacomesenteric trunk occurs when both the SMA and the celiac trunk originate as a single trunk from the aorta.

There is also a plethora of variations in the branching of the second and third-order branches of the celiac artery, particularly hepatic arterial anatomy which is discussed with the common hepatic artery. Anatomy: Abdominopelvic. Please Note: You can also scroll through stacks with your mouse wheel or the keyboard arrow keys. Updating… Please wait.

Unable to process the form. Check for errors and try again. Thank you for updating your details. Log In. Sign Up. Become a Gold Supporter and see no ads. Log in Sign up. Articles Cases Courses Quiz. About Recent Edits Go ad-free. Edit article. View revision history Report problem with Article. Citation, DOI and article data. D'Souza, D. Celiac artery. The splenic artery supplies blood to the spleen, which supports the immune system by producing antibodies. The lateral femoral circumflex artery supplies oxygenated blood to the anterior front and middle portions of the thigh muscles.

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