lumbar artery

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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
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