ventriculoatriostomy
noun
ven·tric·u·lo·atri·os·to·my
-ˌā-trē-ˈäs-tə-mē 
plural ventriculoatriostomies
: surgical establishment of a shunt to drain cerebrospinal fluid (as in hydrocephalus) from a ventricle of the brain to the right atrium
Cite this Entry
“Ventriculoatriostomy.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/ventriculoatriostomy. Accessed 31 Oct. 2025.
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