| ALV | Abelson leukemia virus; adeno-like virus; alveolar, alveolus; ascending lumbar vein; avian leukosis ... |
|---|---|
| ARAS | ascending reticular activating system |
| asc | ascending; anterior subcapsular |
| ASCAo | ascending aorta |
| CMN-AA | cystic medial necrosis of ascending aorta |