Arterial walls may develop calcifications, which reduce the ability of the vessels to transport blood adequately.动脉血管壁可能出现钙化，降低血管正常输送血液的能力。The walls of the blood vessels had been damaged.血管壁已经受损。A growth on the artery wall is choking off the blood supply.动脉血管壁的增厚阻塞了血液的供给。