Main Entry: re·ste·no·sis

Pronunciation: \ˌres-tə-ˈnō-səs, ˌrē-stə-\

Function: noun

Inflected Form(s): plural re·ste·no·ses \-ˌsēz\

: the reoccurrence of stenosis in a blood vessel or heart valve after it has been treated (as by balloon angioplasty or valvuloplasty) with apparent success