aortan.主动脉aorta sacrococcygea骶尾主动脉aorta valve dilator主动脉瓣扩张器aorta-carotid area[医] 主动脉颈动脉区aortal commissurotomy织脉瓣连合部切开术Aorta catheterization动脉导管插入术aorta transplantation动脉移植aorta arch constriction主动脉弓缩窄aorta compression clamp主动脉(压迫)夹aorta and pulmonic clamp主动脉肺动脉钳aorta-gonad mesonephros主动脉性腺-中肾