ventriculostomy

noun

ven·tric·u·los·to·my | \ ven-ˌtrik-yə-ˈläs-tə-mē

How to pronounce ventriculostomy (audio)

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plural ventriculostomies

Medical Definition of ventriculostomy

: the surgical establishment of an opening in a ventricle of the brain to drain cerebrospinal fluid especially in hydrocephalus