Glenn's operation

[glĕnz]
n.
  1. Surgical anastomosis between the superior vena cava and the right main pulmonary artery to increase pulmonary blood flow as a correction for tricuspid atresia.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.