Inferior adrenal artery
Citation, DOI, disclosures and article data
At the time the article was created David Benjabutr had no recorded disclosures.
View David Benjabutr's current disclosuresAt the time the article was last revised Kajanan Nithiyananthan had no financial relationships to ineligible companies to disclose.
View Kajanan Nithiyananthan's current disclosures- Inferior suprarenal artery
The inferior adrenal (suprarenal) artery is one of three adrenal arteries that supplies the adrenal gland.
Gross anatomy
Origin
Ipsilateral renal artery (usually before the terminal division of the renal artery).
Location
The course of the inferior suprarenal artery depends on its origin. Renal artery branches travel obliquely, but a variant origin from the aorta may travel more horizontally. A more vertical course occurs from a take-off of the artery closer to the kidney. When there are multiple arteries, the relationship between arteries can be parallel, divergent, convergent or crossed 1.
Variant anatomy
The inferior adrenal artery has the greatest variation in regards to origin, morphology, and course of the three adrenal arteries. A study of 120 cases found single artery in 75% of cases, double 17% and triple 7% 1.
Other possible origins for the inferior adrenal artery include:
terminal branch of renal artery
from a supplementary renal artery
off the aorta (more common on left and often as a common trunk with middle adrenal artery): 12%
References
- 1. Bordei P, St Antohe D, Sapte E, Iliescu D. Morphological aspects of the inferior suprarenal artery. Surgical and radiologic anatomy : SRA. 25 (3-4): 247-51. doi:10.1007/s00276-003-0132-z - Pubmed
- 2. HAGOPIAN AC. An abnormal inferior suprarenal artery. The Yale journal of biology and medicine. 26 (1): 78-9. Pubmed
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