Artery of Adamkiewicz

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Artery: Artery of Adamkiewicz
Latin	rami spinales arteriae vertebralis
Supplies	lower spinal cord
Source	abdominal aorta, vertebral artery
Dorlands / Elsevier	r_02/12692029

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In human anatomy, the Artery of Adamkiewicz, also Adamkiewicz artery, major anterior segmental medullary artery, artery of the lumbar enlargement and great anterior segmental medullary artery, is the largest anterior segmental medullary artery.

It typically arises from a left posterior intercostal artery, which branches from the aorta, and supplies the lower two thirds of the spinal cord via the anterior spinal artery.^[1]

Anatomical variation

In a study of approximately 70 people that examined the spinal cord's blood supply it was found that^[1]:

1. The Adamkiewicz artery sometimes arises from a lumbar vessel.
2. In approximately 30% of people it arises from the right side.
3. One quarter of people have two large anterior segmental medullary arteries.

Disorders

When damaged or obstructed, it can result in anterior spinal artery syndrome,^[1] with loss of urinary and fecal continence and impaired motor function of the legs; sensory function is often preserved to a degree.

References

External links

• synd/2233 at Who Named It - Adamkiewicz artery
• Yoshioka K, Niinuma H, Ohira A, Nasu K, Kawakami T, Sasaki M, Kawazoe K. MR angiography and CT angiography of the artery of Adamkiewicz: noninvasive preoperative assessment of thoracoabdominal aortic aneurysm. Radiographics. 2003 Sep-Oct;23(5):1215-25. PMID 12975511 Full Text
  • Drawing of the anterior spinal artery
  • MR image of the Artery of Adamkiewicz
• 00642 at CHORUS

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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Acknowledgement and Attribution Regarding Sources of Content

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 .

fr:Artère radiculaire antérieure d'Adamkiewicz