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n. pl. com·mis·sur·ot·o·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.

References in periodicals archive ?
The crisis of confidence had passed and, with other favorable results being reported by his three colleagues, mitral commissurotomy, as the procedure was to be called, became common.
Posterior wall systolic and diastolic velocities measured by M-mode echocardiography improved in the patients with mitral stenosis after open mitral commissurotomy (19).
Jeff McMahan has put forward two arguments against the Organism View: the case of dicephalus and a special case of hemispheric commissurotomy.
In 1953, Soloff (3) felt that mitral commissurotomy caused rheumatic fever to be reactivated.
These subtests were chosen on the basis of converging evidence from studies on patients with unilateral cerebral lesions, on patients with complete forebrain commissurotomy, and on normal participants suggesting that verbal and sequential skills are primarily related to the left hemisphere whereas visuospatial skills are primarily related to the right hemisphere (Gordon, 1986).
Cerebral commissurotomy in man: Minor hemisphere dominance for certain visuospatial functions.
Language functions in the two hemispheres following complete cerebral commissurotomy and hemispherectomy.
Also, Moulaert et al used propanolol after surgical commissurotomy to determine if resection of infundibular hypertrophy was necessary (10).
Alfano JE, Fabritius RE, Garland MA: Visual loss following mitral commissurotomy for mitral stenosis.
FREDERICK ALTIERI, "Cerebral Commissurotomy, Consciousness, Minds, and Persons.
Although rare at necropsy in patients with fatal chronic valve disease, Aschoff bodies are fairly common in the heart of patients having mitral commissurotomy for MS.