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Anatomy of Celiac trunk / Celiac artery Origin, Course, Branches, Vascular supply

artery

Celiac artery, also known as the celiac axis or celiac trunk, is a major visceral artery in the abdominal cavity supplying the foregut, arising from the abdominal aorta and commonly giving origin to three major arteries: left gastric artery, splenic artery, and common hepatic artery.

Gross anatomy

Origin

Arises anteriorly from the abdominal aorta at the Upper border of the L1 vertebral level.

Course

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 coeliac lymph nodes and the coeliac plexus. At the upper border of the pancreas, it divides into three branches: left gastric artery, splenic artery and common hepatic artery.

The left gastric artery is usually the first branch, after which the coeliac artery bifurcates into the splenic artery (coursing to the left) and the common hepatic artery (coursing to the right).

Branches

left gastric artery
splenic artery
common hepatic artery

Supply

The coeliac artery is the artery to the foregut, supplying:

gut from the distal oesophagus to the ampullary region of 2nd part of the duodenum
liver
gallbladder
spleen
pancreas

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