infundibulectomy

[ ĭn′fən-dĭb′yə-lĕktə-mē ]

n.

Excision of the conus arteriosus, especially of hypertrophied myocardium encroaching on the ventricular outflow tract.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.