| trichotomy | (noun) being threefold; a classification into three parts or subclasses | - |
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| valvotomy | (noun) incision into a stenosed cardiac valve to relieve the obstruction | Synonyms: valvulotomy |
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| valvulotomy | (noun) incision into a stenosed cardiac valve to relieve the obstruction | Synonyms: valvotomy |
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| vasectomy | (noun) surgical procedure that removes all or part of the vas deferens (usually as a means of sterilization); is sometimes reversible | - |
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| vasotomy | (noun) surgical incision into or division of the vas deferens | Synonyms: vasosection |
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| vasovasostomy | (noun) a surgical procedure that attempts to restore the function of the vas deferens after a vasectomy | - |
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| vitrectomy | (noun) a surgical procedure that removes the vitreous humor and replace it with saline solution | - |
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| vulvectomy | (noun) surgical removal of part or all of the vulva | - |
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