Splenic artery

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Artery: Splenic artery
The visceral surface of the spleen.
Branches of the celiac artery. (Lienal artery is an old term for splenic artery, and is visible at center. The spleen is at center right. The stomach has been flipped out to reveal the splenic artery, so the greater curvature is at the top in this diagram.)
Latin	arteria splenica, arteria lienalis
Gray's	subject #154 605
Supplies	spleen
Source	celiac artery
Branches	Pancreatic branches Pancreatica magna Left gastro-omental Short gastric Trabecular arteries
Vein	splenic vein
MeSH	Splenic+Artery
Dorlands / Elsevier	a_61/12156021

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In anatomy, the splenic artery (in the past called the lienal artery) is the blood vessel that supplies oxygenated blood to the spleen. It branches from the celiac artery, and follows a course superior to the pancreas.

Branches

The splenic artery gives off branches to the stomach and pancreas before reaching the spleen.

Branch	Description
branch to the pancreas	Multiple branches serving the pancreas. The largest is the arteria pancreatica magna
short gastric	upper part of greater curvature of the stomach
left gastroepiploic	middle of greater curvature of the stomach

Note that the branches of the splenic artery do not reach all the way to the lower part of the greater curvature of the stomach. Instead, that region is supplied by the right gastroepiploic artery, a branch of the gastroduodenal artery. The two gastroepiploic arteries anastomose with each other at that point.

Vein

Along its course, it is accompanied by a similarly named vein, the splenic vein, which drains into the portal vein.

Pathology

Splenic artery aneurysms are rare^[3], but still the third most common abdominal aneurysm^[4] (after aneurysms of the abdominal aorta and iliac arteries).

Additional images

The celiac artery and its branches.

Transverse section of the human spleen, showing the distribution of the splenic artery and its branches.

Section of the spleen, showing the termination of the small bloodvessels.

Posterior abdominal wall, after removal of the peritoneum, showing kidneys, suprarenal capsules, and great vessels.

References

1. ^ Abbas MA, Stone WM, Fowl RJ, Gloviczki P, Oldenburg WA, Pairolero PC, Hallett JW, Bower TC, Panneton JM, Cherry KJ Splenic artery aneurysms: two decades experience at Mayo clinic. Ann Vasc Surg. 2002 Jul;16(4):442-9. PMID 12089631
2. ^ Jamsheer NS, Malik M, Ruptured splenic artery aneurysm, URL: http://www.kfshrc.edu.sa/annals/215_216/01-094.htm, Accessed July 30, 2005.

External links

• Ruptured splenic artery aneurysm - a case report from Saudi Arabia.
• Splenic artery - medterms.com
• Gray's s278 - "The Spleen"
• SUNY Labs 38:05-0101 - "Stomach, Spleen and Liver: The Splenic Artery"
• SUNY Anatomy Image 8557
• Norman/Georgetown celiactrunk
• Norman/Georgetown pancreas

v • d • e Arteries of torso - abdomen
AA: Anterior	celiac left gastric splenic: pancreatic branches (arteria pancreatica magna) – short gastric – left gastro-omental common hepatic: proper hepatic (cystic), right gastric, gastroduodenal (right gastro-omental, superior pancreaticoduodenal) SMA inferior pancreaticoduodenal – intestinal – ileocolic (appendicular) – right colic – middle colic IMA left colic – sigmoid – superior rectal – marginal
AA: Posterior	visceral: middle suprarenal – renal (inferior suprarenal) – testicular/ovarian parietal: inferior phrenic (superior suprarenal) – lumbar – median sacral terminal: common iliac (IIA, EIA)
IIA: Anterior	umbilical (superior vesical, to ductus deferens) – inferior vesical – middle rectal – uterine (azygos of the vagina) – vaginal – obturator (anterior branch, posterior branch) – internal pudendal (inferior rectal, perineal, artery of the urethral bulb, urethral, deep artery of the penis, dorsal artery of the penis) – inferior gluteal (accompanying of ischiadic nerve, crucial anastomosis)
IIA: Posterior	iliolumbar – lateral sacral – superior gluteal
EIA	inferior epigastric (cremasteric) – deep circumflex iliac

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Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .