vena hemizygos

from WordNet (r) 3.0 (2006)
vena hemizygos
    n 1: a continuation of the left ascending lumbar vein; crosses
         the midline at the 8th vertebra and empties into the azygos
         vein [syn: {hemizygos vein}, {hemizygous vein}, {vena
         hemizygos}]
    

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