
Keywords: ایالات متحده; 20.2; 26.1; 35.1; 35.2; BAV; bicuspid aortic valve; CMD; cystic medial degeneration; HYP; hydroxyproline; MMP; matrix metalloproteinase; MPM; multiphoton microscopy; NA; nonaneurysmal; NOI; normalized orientation index; OI; orientation indice; SMC; smooth