septostomy
noun
sep·tos·to·my
sep-ˈtäs-tə-mē 
plural septostomies
: the surgical creation of an opening through the interatrial septum
Dictionary Entries Near septostomy
Cite this Entry
“Septostomy.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/septostomy. Accessed 23 Dec. 2024.
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