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Middle Suprarenal Artery
Cardiovascular System

Middle Suprarenal Artery

Arteria suprarenalis media

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Quick Facts

Origin: Abdominal aorta.

Course: Superolaterally towards the suprarenal gland.

Branches: Small unnamed branches.

Supplied Structures: Suprarenal glands.

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Origin

The middle suprarenal artery originates from the abdominal aorta with its contralateral counterpart at the lower border of the first lumbar vertebra (L1). This is at the same level as the superior mesenteric artery. It may also arise from the inferior phrenic or renal artery.

Course

On each side, the middle suprarenal arteries travel in a superolateral direction as they ascend over the lateral borders of the diaphragmatic crura. The right suprarenal artery travels posterior to the inferior vena cava. The arteries reach the inferomedial aspect of the suprarenal glands.

Branches

Several small branches arise and anastomose with other suprarenal arteries prior to passing through the capsule of the suprarenal gland.

Supplied Structures

The middle suprarenal artery supplies the suprarenal gland.

Learn more about this topic from other Elsevier products

Artery

ScienceDirect image

When the artery is occluded blood is forced through the collateral vessels, drastically increasing fluid shear stress and triggering an inflammatory response which drives vessel remodeling.

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Complete Anatomy

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