ascending lumbar vein


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Related to ascending lumbar vein: azygos vein

as·cend·ing lum·bar vein

[TA]
paired, vertical vein of the posterior abdominal wall, adjacent and parallel to the vertebral column, posterior to the origin of the psoas major muscle; it connects the common iliac, iliolumbar, and lumbar veins in the paravertebral line, the right vein joining the right subcostal vein to form the azygos vein, the left vein uniting with the left subcostal vein to form the hemiazygos vein.
Synonym(s): vena lumbalis ascendens [TA]

as·cend·ing lum·bar vein

(ă-send'ing lŭm'bahr vān) [TA]
A paired, vertical vein of the posterior abdominal wall, adjacent and parallel to the vertebral column, posterior to the origin of the psoas major muscle; it connects the common iliac, iliolumbar, and lumbar veins in the paravertebral line, the right vein joining the right subcostal vein to form the azygos vein, the left vein uniting with the left subcostal vein to form the hemiazygos vein.

ascending lumbar vein

An anterior-posterior vein along the posterior abdominal wall that connects the common iliac, iliolumbar, and lumbar veins; it empties into the subcostal, azygos, hemiazygos, or first lumbar vein.
See also: vein
References in periodicals archive ?
Azygos vein is formed by the union of the ascending lumbar veins with the right subcostal veins at the level of the 12th thoracic vertebra, ascending in the posterior mediastinum, and arching over the right main bronchus at the root of the right lung to join the superior venacave.
More over a dilated communicating vein between left renal and left ascending lumbar vein has been described as a potential diagnostic pitfall on abdominal computed tomography (CT) because these may mimic para-aortic lymphadenopathy (1,2).
These vessels are oriented craniocaudally and connected to the ascending lumbar veins, which are located laterally on the vertebral bodies, via the supra- and infrapedicular veins.
Ascending lumbar veins on either side received lumbar and subcostal veins of their corresponding side and terminated in the azygos vein.