Ascending lumbar vein
ascending lumbar vein
ascending lumbar vein n.
A vein that arises from the sacral and lumbar veins and at the diaphragm becomes the azygos vein on the right side and the hemiazygos vein on the left.
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moving upward; rising. Botany. growing or directed upward, especially obliquely or in a curve from the base. adjective moving upwards; rising (botany) sloping or curving upwards: the ascending stem of a vine
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