Mustard operation
n.
Correction of abnormal blood circulation due to the transposed great arteries by creating an intra-arterial baffle that partitions the atrium and directs the pulmonary venous blood through the right ventricular opening and the systemic venous blood through the mitral valve into the left ventricle.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.