Middle suprarenal arteries

The middle suprarenal artery (middle capsular artery) is a paired artery in the abdomen. It is a branch of the aorta. It supplies the adrenal gland.

Middle suprarenal arteries
Posterior abdominal wall, after removal of the peritoneum, showing kidneys, suprarenal capsules, and great vessels (middle suprarenal artery visible but not labeled)
Details
SourceAbdominal aorta
VeinSuprarenal veins
SuppliesAdrenal gland
Identifiers
LatinArteria suprarenalis media
TA98A12.2.12.074
TA24268
FMA14754
Anatomical terminology

Structure

Origin

The middle suprarenal artery (usually) arises from lateral aspect of the abdominal aorta. Its origin occurs at roughly the same level as that of the superior mesenteric artery.[1]: 1240 

Course

The vessel passes laterally and slightly superior-ward, passing over the crura of the diaphragm to reach the surface of the ipsilateral suprarenal gland, whereupon it forms anastomoses with the other suprarenal arteries.[1]: 1240 

Relations

The anatomical relations of the left and right middle superior artery differ. The right vessel crosses the inferior vena cava posteriorly near the right celiac ganglion. The left vessel passes near the right celiac ganglion, superior margin of the spleen, and splenic artery.[1]: 1240 

Variation

There is usually a single middle suprarenal artery (on either side of the body), but in some individuals, there may be multiple, or the vessel may be absent.[1]: 1240 

The vessel may sometimes arise from the (ipsilateral) renal artery, or (ipsilateral) inferior phrenic artery.[1]: 1240 

Function

The middle suprarenal artery supplies the adrenal gland.[2]

Clinical significance

The middle suprarenal artery may be assessed using Doppler ultrasound.[3]

History

The middle suprarenal artery may also be known as the middle adrenal artery[3] or the middle capsular artery.

See also

References
  1. Gray's anatomy : the anatomical basis of clinical practice. Susan Standring (Forty-second ed.). [New York]. 2021. p. 404. ISBN 978-0-7020-7707-4. OCLC 1201341621.{{cite book}}: CS1 maint: location missing publisher (link) CS1 maint: others (link)
  2. "5 - Abdominal Aorta". Vascular and Interventional Radiology (2nd ed.). Saunders. 2006. pp. 102–126. doi:10.1016/B978-0-7216-0621-7.50010-X. ISBN 978-0-7216-0621-7.
  3. Fujita, Yasuyuki; Satoh, Shoji; Nakano, Hitoo (2001-10-01). "Doppler velocimetry in the adrenal artery in human fetuses". Early Human Development. 65 (1): 47–55. doi:10.1016/S0378-3782(01)00196-7. ISSN 0378-3782. PMID 11520628.
  • Anatomy photo:40:11-0104 at the SUNY Downstate Medical Center - "Posterior Abdominal Wall: Branches of the Abdominal Aorta"
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