| AA | abdominal aorta; acetic acid; achievement age; active alcoholic; active assistive [range of motion];... |
|---|---|
| AAROM | active assertive range of motion; active-assisted range of motion |
| AS | acetylstrophanthidin; acidified serum; acoustic schwannoma; acoustic stimulation; active sarcoidosis... |
| CCE | carboline carboxylic acid ester; chamois contagious ecthyma; clear-cell endothelioma; clubbing, cyan... |
| CCSK | clear cell sarcoma of the kidney |