Phrenic artery

Phrenic Artery

The phrenic artery, shown in red, is a branch of the abdominal aorta.

The Phrenic Artery is a small artery that originates from the abdominal aorta. It is responsible for supplying blood to the diaphragm, the primary muscle involved in respiration.

Anatomy

The phrenic artery typically arises from the front of the aorta, just above the celiac artery. It travels upward and to the left, passing behind the pericardium and the pleura to reach the diaphragm. It may give off several small branches along its course, including the superior suprarenal artery and the esophageal arteries.

Clinical significance

Due to its location and small size, the phrenic artery is rarely involved in significant medical conditions. However, it may be affected by aortic diseases such as aortic aneurysm or aortic dissection, and its damage or rupture can lead to serious complications including hemorrhage and shock.

See also

• Abdominal aorta
• Diaphragm
• Respiration

References

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