atherectomy
noun
ath·er·ec·to·my
ˌath-ə-ˈrek-tə-mē 
plural atherectomies
: removal of atheromatous plaque from within a blood vessel by utilizing a catheter usually fitted with a cutting blade or grinding burr
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“Atherectomy.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/atherectomy. Accessed 19 Apr. 2024.
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