| 释义 |
aortic nipple a·or·tic nip·plecolloquial term for the radiographic appearance of the left superior intercostal or accessory hemiazygos vein as a bump on the aortic knob.a·or·tic nip·ple (ā-ōr'tik nip'ĕl) A colloquial term for the radiographic appearance of the left superior intercostal or accessory hemiazygos vein as a bump on the aortic knob. |