Dictionary
com•mis•sur•ot•o•my
Pronunciation: (kom"u-shu-rot'u-mē), [key]—
n.,
—pl. -mies.
Surg.
the incision of a band of commissures, esp. of mitral fibers, to correct mitral stenosis. Cf.
valvulotomy.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.