Medical Dictionary

commissurotomy

noun com·mis·sur·ot·o·my
\ˌkäm-ə-ˌsh(ə)r-ˈät-ə-mē, -shə-ˈrät-\
plural -mies

Medical Definition of COMMISSUROTOMY

:  the operation of cutting through a band of muscle or nerve fibers; specifically :  separation of the flaps of a mitral valve to relieve mitral stenosis :  valvulotomy

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