superior pulmonary vein

n.
  1. A vein that returns blood from the left superior lobe of the lung to the left atrium; left superior pulmonary vein.
  2. A vein that returns blood from the superior and middle lobes of the right lung to the left atrium; right superior pulmonary vein.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.