| retrosternal | <anatomy> Situated or occurring behind the sternum. (18 Nov 1997) |
|---|---|
| retrosternal hernia | A diaphragmatic hernia protruding through Morgagni's foramen. (05 Mar 2000) |
| retrosternal space | On lateral chest radiographs, the region dorsal to the sternum and ventral to the ascending aorta. Synonym: anterior clear space. (05 Mar 2000) |