在解剖一成年女性尸体标本时，发现右位主动脉弓。本例心脏位置正常，主动脉升部平胸骨左缘第三肋软骨处起于左心室，长４２ｍｍ，向右前上行至右侧第二胸肋关节的高度，呈弓形转向右后方移行为右位主动脉弓，于第三胸椎体下缘右创延续为主动脉胸部。主动脉弓长４７ｍｍ，外径 Anatomy of the right aortic arch was found when an adult woman’s body was dissected. In this case, the heart is in a normal position. The third costal cartilage at the left border of the sternum in the ascending aorta starts at the left ventricle, with a length of 42 mm. The height from the antecedent to the right of the second sternocostal joint is bowed to the right posterior for the right Aortic arch, right lower edge of the third thoracic vertebral body continued aorta chest. Aortic arch length 47mm, diameter