endarterectomy
noun
end·ar·ter·ec·to·my ˌen-ˌdär-tə-ˈrek-tə-mē 
plural endarterectomies
: surgical removal of the inner layer of an artery when thickened and atheromatous or occluded (as by intimal plaques)
Example Sentences
Recent Examples on the Web This patient ended up needing a carotid endarterectomy, a procedure that removes built-up plaque from the artery. 
Milwaukee Journal Sentinel, 5 Mar. 2018
Milwaukee Journal Sentinel, 5 Mar. 2018 Word History
Etymology
New Latin endarterium intima of an artery (from end- + arteria artery) + English -ectomy
First Known Use
1974, in the meaning defined above
Medical Definition
endarterectomy
noun
end·ar·ter·ec·to·my ˌen-ˌdärt-ə-ˈrek-tə-mē
plural endarterectomies
: surgical removal of the inner layer of an artery when thickened and atheromatous or occluded (as by intimal plaques)