superior segmental renal artery

A segmental renal artery that passes anterior to the renal pelvis, superiorly and laterally. It supplies the superior (apical) lobe of the kidney.

Type Vessel
Structure parente interlobar artery
FMA ID 70499

Questions fréquentes

What is the superior segmental renal artery?
The superior segmental renal artery is a branch arising from the anterior division of the renal artery. It passes anterior to the renal pelvis, coursing superiorly and laterally to supply the apical (superior) lobe of the kidney. It is one of the named segmental arteries that provide end-arterial blood supply to distinct zones of renal tissue.
Where is the superior segmental renal artery located?
This artery is located within the renal sinus, originating from the anterior division of the renal artery near the renal hilum. It travels anteriorly to the renal pelvis and then ascends steeply toward the superior pole of the kidney, where it distributes within the apical renal lobe.
What is the function of the superior segmental renal artery?
The superior segmental renal artery is involved in delivering oxygenated blood to the superior (apical) lobe of the kidney. This blood supply supports the glomerular filtration, tubular reabsorption, and other metabolic activities of the nephrons residing in the apical segment of the kidney.
What conditions may affect the superior segmental renal artery?
Conditions such as renal artery stenosis, atherosclerosis, thromboembolism, or arteriovenous malformations may be associated with compromise of the superior segmental renal artery. Occlusion of this end-artery may be involved in segmental renal infarction. Anatomical variants of this vessel are also relevant in renal surgery.
How is the superior segmental renal artery examined?
The superior segmental renal artery is commonly assessed using CT angiography or renal arteriography, which can delineate its origin, course, and branching pattern. Doppler ultrasound may also be used to evaluate flow. Detailed knowledge of its anatomy is important when planning procedures such as partial nephrectomy or nephron-sparing surgery.

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Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.