Inferior phrenic artery

Inferior Phrenic Artery

The inferior phrenic artery, shown in red, arises from the abdominal aorta.

The Inferior Phrenic Artery is a small artery that supplies blood to the diaphragm. It typically arises from the abdominal aorta, although its origin can vary.

Anatomy

The inferior phrenic artery usually originates from the front of the abdominal aorta, just above the celiac trunk. It ascends to the diaphragm, which it supplies with blood. The artery often gives off several small branches, including the superior suprarenal arteries, which supply the adrenal glands.

Variations

The origin of the inferior phrenic artery can vary. In some individuals, it may arise from the celiac trunk, the renal artery, or the aorta itself.

Clinical significance

Knowledge of the anatomy and variations of the inferior phrenic artery is important in surgical procedures involving the diaphragm or the organs of the upper abdomen. It is also significant in the interpretation of imaging studies of the abdomen.

See also

• Superior phrenic artery
• Phrenic arteries
• Abdominal aorta

References

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