| ACA | abnormal coronary artery; acrodermatitis chronica atrophicans; acute cerebellar ataxia; adenocarcino... |
|---|---|
| ACoA | anterior communicating artery |
| ACOM | American College of Occupational Medicine; anterior communicating [artery] |
| AComA | anterior communicating artery |
| AICA | anterior inferior cerebellar artery; anterior inferior communicating artery |