lumbar artery


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Related to lumbar artery: arteria lumbalis

lum·bar ar·te·ry

(lŭm'bahr ahr'tĕr-ē)
Origin, abdominal aorta; one of four or five pairs; distribution, lumbar vertebrae, muscles of back, abdominal wall; anastomoses, intercostal, subcostal, superior and inferior epigastric, deep circumflex iliac, and iliolumbar.
Synonym(s): arteriae lumbales [TA] .

lumbar artery

One of several branches of the abdominal aorta that run toward the lumbar spine; they supply blood to the vertebral bodies, the muscles of the lower back and the posterior wall of the abdomen. The lumbar arteries anastomose with each other and with the lower intercostal, the subcostal, and the superior and the inferior epigastric arteries.
See also: artery
References in periodicals archive ?
Delayed Retroperitoneal Hemorrhage due to Lumbar Artery Pseudoaneurysm after Lumbar Posterolateral Fusion.
Retroperitoneal hemorrhage caused by enoxaparin-induced spontaneous lumbar artery bleeding and treated by transcatheter arterial embolization: a case report.
The left lumbar artery was a branch of the abdominal aorta arising at the level of superior mesenteric branch (corresponding to the level of first lumbar vertebra).
However, during retroperitoneoscopic left kidney live donor nephrectomy, the presence of an anterior lumbar vein and/or a lumbar artery may be missed and can result in increased risk of hemorrhage.