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surgical incision or digital disruption of the components of a commissure to increase the size of the opening.
mitral commissurotomy the breaking apart of the adherent leaflets (commissure) of the mitral valve, a formerly common treatment for mitral stenosis.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
1. Surgical division of any commissure, fibrous band, or ring via an incision or disruption, for example, balloon inflation.
2. Synonym(s): midline myelotomy
Farlex Partner Medical Dictionary © Farlex 2012
n. pl. commissuroto·mies
Surgical incision of a commissure in the body, as one made in the heart to relieve constriction of the mitral valve or one made in the brain to treat seizure disorders.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
commissurotomySurgery The surgical splitting of a commissure–eg in the brain or cusps of heart valves. See Percutaneous transvenous mitral commissurotomy.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
1. Surgical division of any commissure, fibrous band, or ring using surgery or a balloon catheter technique.
2. Synonym(s): midline myelotomy.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
commissurotomyCutting of any COMMISSURE, especially the midline transverse nerve tract bundle that connects the two halves of the CEREBRUM.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005