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]
WordNet (r) 3.0 (2006):
hemizygous vein
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]