noun, plural commissurotomies. Surgery.
the incision of a band of commissures, especially of mitral fibers, to correct mitral stenosis.
Compare valvulotomy.

commissure + -o- + -tomy Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Medical Dictionary

commissurotomy com·mis·sur·ot·o·my (kŏm'ə-shu-rŏt'ə-mē, -su-)

  1. Surgical division of a commissure, fibrous band, or ring.

  2. See midline myelotomy.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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